<!DOCTYPE html><html lang="en"><head><meta http-equiv="Content-Type" content="text/html charset=UTF-8"><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><meta name="x-apple-disable-message-reformatting"><title>TLDR InfoSec</title><meta name="color-scheme" content="light dark"><meta name="supported-color-schemes" content="light dark"><style type="text/css">
:root {
color-scheme: light dark; supported-color-schemes: light dark;
}
*,
*:after,
*:before {
-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;
}
* {
-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;
}
html,
body,
.document {
width: 100% !important; height: 100% !important; margin: 0; padding: 0;
}
body {
-webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility;
}
div[style*="margin: 16px 0"] {
margin: 0 !important;
}
table,
td {
mso-table-lspace: 0pt; mso-table-rspace: 0pt;
}
table {
border-spacing: 0; border-collapse: collapse; table-layout: fixed; margin: 0 auto;
}
img {
-ms-interpolation-mode: bicubic; max-width: 100%; border: 0;
}
*[x-apple-data-detectors] {
color: inherit !important; text-decoration: none !important;
}
.x-gmail-data-detectors,
.x-gmail-data-detectors *,
.aBn {
border-bottom: 0 !important; cursor: default !important;
}
.btn {
-webkit-transition: all 200ms ease; transition: all 200ms ease;
}
.btn:hover {
background-color: #f67575; border-color: #f67575;
}
* {
font-family: Arial, Helvetica, sans-serif; font-size: 18px;
}
@media screen and (max-width: 600px) {
.container {
width: 100%; margin: auto;
}
.stack {
display: block!important; width: 100%!important; max-width: 100%!important;
}
.btn {
display: block; width: 100%; text-align: center;
}
}
body,
p,
td,
tr,
.body,
table,
h1,
h2,
h3,
h4,
h5,
h6,
div,
span {
background-color: #FEFEFE !important; color: #010101 !important;
}
@media (prefers-color-scheme: dark) {
body,
p,
td,
tr,
.body,
table,
h1,
h2,
h3,
h4,
h5,
h6,
div,
span {
background-color: #27292D !important; color: #FEFEFE !important;
}
}
a {
color: inherit !important; text-decoration: underline !important;
}
</style><!--[if mso | ie]>
<style type="text/css">
a {
background-color: #FEFEFE !important; color: #010101 !important;
}
@media (prefers-color-scheme: dark) {
a {
background-color: #27292D !important; color: #FEFEFE !important;
}
}
</style>
<![endif]--></head><body class="">
<div style="display: none; max-height: 0px; overflow: hidden;">Clover Health Investments said attackers used social engineering to compromise three employee accounts, exposing data on 138,677 people. β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β </div>
<div style="display: none; max-height: 0px; overflow: hidden;">
<br>
</div>
<table align="center" class="document"><tbody><tr><td valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" class="container" width="600"><tbody><tr class="inner-body"><td>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr class="header"><td bgcolor="" class="container">
<table width="100%"><tbody><tr><td class="container">
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" style="margin-top: 0px;" width="100%"><tbody><tr><td style="padding: 0px;">
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div style="text-align: center;">
<span style="margin-right: 0px;"><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftldr.tech%2Finfosec%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/m39ka31ULdneKnGjRXqPuOKFj0OivvcNechKjBQnu2U=452" rel="noopener noreferrer" target="_blank"><span>Sign Up</span></a>
|<span style="margin-right: 2px; margin-left: 2px;"><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fadvertise.tldr.tech%2F%3Futm_source=tldrinfosec%26utm_medium=newsletter%26utm_campaign=advertisetopnav/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/h6ANr2k1XNiN-LAdGGWdn4LPGDeYtlKHEBC0vtyBddg=452" rel="noopener noreferrer" target="_blank"><span>Advertise</span></a></span>|<span style="margin-left: 2px;"><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fa.tldrnewsletter.com%2Fweb-version%3Fep=1%26lc=156924ca-84b7-11f0-8d58-47c5c04ad337%26p=62dae692-c239-11f1-b178-7919d949056c%26pt=campaign%26t=1791378515%26s=cbb7ac77a17ff6e8acc55b0289ced84dabe52bd99ab31f14be3d18af7ce85c30/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/poP3MyecDtIGda3djG04yVlCoc1JU6BbO5SfvNJJPgg=452"><span>View Online</span></a></span>
<br>
</span></div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="text-align: center;"><span data-darkreader-inline-color="" style="--darkreader-inline-color:#3db3ff; color: rgb(51, 175, 255) !important; font-size: 30px;">T</span><span style="font-size: 30px;"><span data-darkreader-inline-color="" style="color: rgb(232, 192, 96) !important; --darkreader-inline-color:#e8c163; font-size:30px;">L</span><span data-darkreader-inline-color="" style="color: rgb(101, 195, 173) !important; --darkreader-inline-color:#6ec7b2; font-size:30px;">D</span></span><span data-darkreader-inline-color="" style="--darkreader-inline-color:#dd6e6e; color: rgb(220, 107, 107) !important; font-size: 30px;">R</span>
<br>
</td></tr></tbody></table>
<br>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody></tbody></table>
<table style="table-layout: fixed; width:100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;">
<div style="text-align: center;">
<h1><strong>TLDR Information Security <span id="date">2026-10-07</span></strong></h1>
</div>
</td></tr></tbody></table>
<table style="table-layout: fixed; width:100%;" width="100%"><tbody></tbody></table>
</td></tr></tbody></table>
</td></tr></tbody></table>
</td></tr>
<tr bgcolor=""><td class="container">
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td style="padding: 0px;">
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><span style="font-size: 36px;">π</span></div></div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;">
<h1><strong>Attacks & Vulnerabilities</strong></h1>
</div>
</div>
</td></tr></tbody></table>
<table style="table-layout: fixed; width: 100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;" valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.theregister.com%2Fsecurity%2F2026%2F10%2F05%2Fcitrix-netscaler-security-snafus-get-even-worse-amid-more-0-day-reports%2F5301232%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/94YTGKK1wf3xVgv2pK-b9QN1aZHpx3qrot79hGcGK78=452">
<span>
<strong>Citrix NetScaler security snafus get even worse amid more 0-day reports (3 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
A single crafted request knocks NetScaler ADC and Gateway appliances offline through CVE-2026-88779, a memory overflow zero-day affecting deployments configured as a SAML service provider or identity provider. CISA confirmed active exploitation, and watchTowr told The Register it suspects attackers are crashing appliances deliberately to speed up exploitation of CVE-2026-88771, one of eight NetScaler bugs disclosed September 27. Apply Citrix's fixed build or interim mitigation, starting with Gateway and AAA virtual servers that have SAML enabled, and run Citrix's IOC script while treating a clean result as inconclusive.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Flinks.tldrnewsletter.com%2FDOsTQM/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/z9ngqItMOyQR0Qr6dimsHcYxUbHD9dUeAt9pqCaj4IE=452">
<span>
<strong>250,000 Impacted by Data Breaches at New Jersey, Texas Healthcare Firms (2 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Clover Health Investments said attackers used social engineering to compromise three employee accounts, exposing data on 138,677 people. AngMar Management Services found stolen patient data after suspicious activity, affecting 126,196 people. Exposed records included Social Security numbers, diagnoses, medical histories, insurance details, prescriptions, and service dates. The Interlock ransomware group claimed to have stolen 700 gigabytes from AngMar.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Federa.dev%2Fstories%2Fcve-2026-19444-how-copying-in-kubectl-breaks-trust%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/R0TxsZdzHISZ6Ty5fRmH9xuu1VFfRDPiLHuEZ59XQaI=452">
<span>
<strong>CVE-2026-19444: How copying in kubectl breaks trust (5 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
A malicious container can write files anywhere a Windows user's account can reach, including the Startup folder, when that user runs kubectl cp against it (CVE-2026-19444, CVSS 6.5). kubectl cp unpacks the output of whatever tar binary the container ships, and the entry-path check added after three 2019 CVEs never accounted for Windows path separators. Windows clients need kubectl v1.36.5, v1.35.9, or v1.34.12, since the flaw is in client-side extraction and the cluster version does not matter.
</span>
</span>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><span style="font-size: 36px;">π§ </span></div>
</div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;">
<h1><strong>Strategies & Tactics</strong></h1>
</div>
</div>
</td></tr></tbody></table>
<table style="table-layout: fixed; width: 100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;" valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ffortbridge.co.uk%2Fresearch%2Fwordpress-libheif-rce%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/OSU_lCGX7qrKvS3Ffk4e1LAvYqhDr7G4OfC-CrJPtWw=452">
<span>
<strong>WordPress libheif RCE: Exploit Chain (11 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Fortbridge has published the first public exploit chain for a libheif heap overflow (GHSA-x8r2-mggj-j6wr) originally discovered by Alex Thomas and Wordfence. By uploading crafted HEIC images via the WordPress Media Library, an authenticated attacker can defeat ASLR using pixel values in generated JPEGs and hijack a C++ virtual table pointer to achieve remote code execution. Administrators should update libheif to 1.23.3, disable unused HEIC/AVIF uploads, and treat repeated PHP-FPM 503 errors on image uploads as security events.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fcheckmarx.com%2Fzero-post%2Fmalfex-npm-malware-campaign-three-payloads-and-an-adversary-that-signs-their-work%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/mvCCO_JoEm-bG54hTvtT5SkH2s2eQKe3QLWlGSwmtww=452">
<span>
<strong>MALFEX npm Malware Campaign: Three Payloads And An Adversary That Signs Their Work (12 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
MALFEX, an npm campaign run by a single operator, published eight malicious packages that targeted Windows systems. Its payloads included Overlord RAT and movinlike, a stealer that took Discord tokens, browser credentials, Telegram sessions, and cryptocurrency wallets. Three packages remain installable (function-flag, function-color, and cdn-img-fetch), and the first two have no advisory.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Funit42.paloaltonetworks.com%2Fsecuring-aws-agentcore-harness-credentials%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/FQbTqQ9g8agAGSUtreqjQv5r9tGAkDooxF3GlCpdeqM=452">
<span>
<strong>A Vault with a Heap-View: The Uncomfortable Space Between AgentCore Harness and Identity (16 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
AWS AgentCore Harness is an agentic service and AgentCore Identity is a service that provides agents with identities. Unit 42 discovered that the bash tool that is enabled by default on AgentCore agents runs arbitrary bash commands and code as root. Using this primitive, the researchers demonstrated that they could exfiltrate the AgentCore Identity JWT by scanning the heap for it and then exfiltrating it.
</span>
</span>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><span style="font-size: 36px;">π§βπ»</span></div>
</div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;">
<h1><strong>Launches & Tools</strong></h1>
</div>
</div>
</td></tr></tbody></table>
<table style="table-layout: fixed; width: 100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;" valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fgithub.com%2Frauchg%2Fgdp-ts%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/3CNTumVBGQ9Lzm8EDluzLlsury2cv9ZAWmLFRMZqVrg=452">
<span>
<strong>gdp-ts (GitHub Repo)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
gdp-ts is a TypeScript library, linter, and agent skill that turns skipped or mismatched authorization checks into compile errors. Sensitive functions demand a type-level proof, minted only by a trusted check module, that this exact user was authorized for this exact resource, with near-zero runtime cost. A lint preset blocks forged proofs via as casts, and the bundled skill steers coding agents toward the pattern.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fgithub.com%2FTsvetanG2%2Fmcpward%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/pXJVO-QmvNFo_rx-tJQPnBHjRoMLrjsghl-ctKDrc-0=452">
<span>
<strong>mcpward (GitHub Repo)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
mcpward pins an MCP server's tool contract to a committed lockfile and fails CI when it drifts, catching silently rewritten descriptions (rug-pulls), readOnlyHint flips, and breaking schema changes. It works black-box against any stdio or HTTP server and runs fully offline with no account or telemetry, unlike Snyk Agent Scan. It also flags tool-poisoning patterns such as injection phrasing and hidden Unicode, with output to SARIF, JUnit, or a PR comment.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fgithub.com%2F0xMarcio%2Fpocindex%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/KHAPMx22m7yBuRn-CA_UPd-zYO571TCBWWcpq4fjFoU=452">
<span>
<strong>PoC Index (GitHub Repo)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Search 82,000+ public CVE proof-of-concept exploits from GitHub, Nuclei, ExploitDB, Metasploit, and Vulhub.
</span>
</span>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><span style="font-size: 36px;">π</span></div></div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
</div>
</td></tr></tbody></table>
<table bgcolor="" style="table-layout: fixed; width: 100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;" valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Farstechnica.com%2Fsecurity%2F2026%2F10%2Fvulnerability-in-agents-from-google-and-others-exposes-structural-flaw-in-mcp%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/iKUdWAEJJ1aOYq4cH0lmL_P14ShveCE4tYBpEU1Rtvk=452">
<span>
<strong>MCP for agent-to-agent comms may be the riskiest protocol you've never heard of (5 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Google and four other organizations acknowledged flaws over the past five months where a prompt injection landing on one AI agent over MCP was forwarded to other internal agents, which executed it on trust. Researcher Syed Anas Mohiuddin named the technique "protocol pivoting," though X41 D-Sec's Markus Vervier told Ars Technica it is plain indirect prompt injection. The bugs typically ended in SSRF, ranging from severity 2.7 at Rapid7 (CVE-2026-97228) to 8 in Google's mcp-toolbox, which followed redirects without validating target IPs.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fblog.cryptographyengineering.com%2F2026%2F09%2F30%2Fis-sandboxing-sufficient-to-contain-rogue-agents%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/-231NleIKX_d1QuB8CCCNfoQDDMZD0NsBgAyuK0t-yE=452">
<span>
<strong>Is Sandboxing Sufficient to Contain Rogue Agents? (10 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
When discussing the OpenAI and other agent escapes, the conversation inevitably turns to discussing sandboxes. OpenAI has not demonstrated to this point a serious containment strategy, so this discussion may hold weight. However, sandboxes are not sufficient as useful agents need Internet access as well as the fact that agents are potentially overeager.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fengineering.fb.com%2F2026%2F10%2F06%2Fproduction-engineering%2Fnts-authenticated-time-at-meta%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/AQPBnYvdTtrSWZWVq4x4vSLwjD13VYe9DXkqof8ctzs=452">
<span>
<strong>NTS: Authenticated Time at Meta (12 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Meta added Network Time Security (RFC 8915) to its public time service at nts.meta.com, so on-path attackers can no longer forge the clock that certificate, token, and replay-window checks rely on. Its servers hold no per-client state because each one derives the cookie-sealing key from a shared master secret and the Unix epoch day using HKDF-SHA256. NTS does not stop delay attacks or prevent an authenticated server from being simply wrong, and the stock Android and iOS time clients still sync over unauthenticated packets.
</span>
</span>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;"><span style="font-size: 36px;">β‘</span></div></div>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding-top: 0px; padding-bottom: 0px;">
<div class="text-block">
<div style="text-align: center;">
<h1><strong>Quick Links</strong></h1>
</div>
</div>
</td></tr></tbody></table>
<table bgcolor="" style="table-layout: fixed; width: 100%;" width="100%"><tbody><tr><td style="padding:0;border-collapse:collapse;border-spacing:0;margin:0;" valign="top">
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrufflesecurity.com%2Flibrary/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/B5cuHvhr6QpXFoni0URoV5lpGpaM-NaKHxAkhHkF5-o=452">
<span>
<strong>Exposed NHIs: The SaaS Worm Already in Your Stack (Sponsor)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
APIs, service accounts, and OAuth keep your stack connected. Attackers use them as entry points. Read TruffleHog's guide to catching exposed credentials before the bad guys do. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrufflesecurity.com%2Flibrary%2Fguides%2Fexposed-nhi-saas-worms-in-stack/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/IRgnbDTeGPHw1IXNfMpFB1ftm68mTrJnWDAu1C-e-_Y=452" rel="noopener noreferrer nofollow" target="_blank"><span>Download Guide</span></a>
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fdomainnamewire.com%2F2026%2F10%2F05%2Fverisign-announces-verisign-informed-applies-for-pki-top-level-domain%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/DjNitfOWqfNdu1hJjzoeOCKwSr6osovHzx3pgzsLoNM=452">
<span>
<strong>Verisign announces Verisign Informed, applies for .pki top level domain (1 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Verisign launched a limited beta of Verisign Informed, a certificate status service that returns signed OCSP responses to counter stale revocation data, and applied for the .pki top-level domain.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.theguardian.com%2Fbusiness%2F2026%2Foct%2F06%2Fasos-hack-notification-website-app%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/V_DGmAiIxX6AyknEekuF8ooizEa_DAo-wwDauGq8U14=452">
<span>
<strong>Asos customers receive βhack' notification threatening to leak data (1 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Asos is investigating after thousands of app users received a notification claiming hackers had fully compromised its Snowflake instance.
</span>
</span>
</div>
</td></tr></tbody></table>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block">
<span>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Farstechnica.com%2Fai%2F2026%2F10%2Fopenai-will-watermark-chatgpt-outputs-by-default-but-only-in-the-eu%2F%3Futm_source=tldrinfosec/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/Nk_n13uWciT7SUwF6UzH-GuILLYSCZxMEUlY5zMCLak=452">
<span>
<strong>OpenAI will watermark ChatGPT outputs by defaultβbut only in the EU (2 minute read)</strong>
</span>
</a>
<br>
<br>
<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
OpenAI will enable its textGrain text watermark by default for ChatGPT and Codex users in the EU to comply with the EU AI Act, though its own tests show the 92% best-case detection rate falls by almost 75% once 20% of the text is changed.
</span>
</span>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td align="left" style="word-break: break-word; vertical-align: top; padding: 5px 10px;">
<p style="padding: 0; margin: 0; font-size: 22px; color: #000000; line-height: 1.6; font-weight: bold;">
Love TLDR? Tell your friends and get rewards!
</p>
</td></tr>
<tr><td class="container" style="padding: 0px 10px 15px;">
<div class="text-block">
Share your referral link below with friends to get free TLDR swag!
</div>
</td></tr>
<tr><td align="left" style="padding: 10px;">
<div class="text-block">
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Frefer.tldr.tech%2F78de0e20%2F8/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/lvmtM_aCq62uu0Wp-j21Ttp-sSjsXKzRbRGOnDsWA00=452" style="color: #464ba4; text-decoration: underline;">https://refer.tldr.tech/78de0e20/8</a>
</div>
</td></tr>
<tr></tr>
<tr><td align="left" style="padding:5px 10px;">
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fhub.sparklp.co%2Fsub_d62447d5a74a%2F8/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/v2CdAJbLnlKZ-OoaBe-XSjsnJ6k8ztrVdt-A8orVAVU=452" style="font-size: 16px; line-height: 1.6; padding: 10px 0; display: inline-block; text-decoration: underline;"><span style="mso-text-raise:13pt; text-decoration: underline;">Track your referrals here.</span></a>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td align="left" style="word-break: break-word; vertical-align: top; padding: 5px 10px;">
<p style="padding: 0; margin: 0; font-size: 22px; color: #000000; line-height: 1.6; font-weight: bold;">
Want to advertise in TLDR? π°
</p>
<div class="text-block" style="margin-top: 10px;">
If your company is interested in reaching an audience of cybersecurity professionals and decision makers, you may want to <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fadvertise.tldr.tech%2F%3Futm_source=tldrinfosec%26utm_medium=newsletter%26utm_campaign=advertisecta/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/PvmTEbc_kjTHJZtNHttd_F_8YQJa1ZHbIUc8vUQPxt8=452"><strong><span>advertise with us</span></strong></a>.
</div>
<br>
<!-- New "Want to work at TLDR?" section -->
<p style="padding: 0; margin: 0; font-size: 22px; color: #000000; line-height: 1.6; font-weight: bold;">
Want to work at TLDR? πΌ
</p>
<div class="text-block" style="margin-top: 10px;">
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fjobs.ashbyhq.com%2Ftldr.tech/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/5K-_XtvqF2PMIp8w4BvBps84FU8DNBZqiyk_IICWd0c=452" rel="noopener noreferrer" style="color: #0000EE; text-decoration: underline;" target="_blank"><strong>Apply here</strong></a>,
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fjobs.ashbyhq.com%2Ftldr.tech%2Fc227b917-a6a4-40ce-8950-d3e165357871/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/i11ydncVvcHlXYw2lms4cU7Ix1iPaZmS18X5WGFbSUo=452" rel="noopener noreferrer" style="color: #0000EE; text-decoration: underline;" target="_blank"><strong>create your own role</strong></a> or send a friend's resume to <a href="mailto:jobs@tldr.tech" style="color: #0000EE; text-decoration: underline;">jobs@tldr.tech</a> and get $1k if we hire them! TLDR is one of <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.linkedin.com%2Ffeed%2Fupdate%2Furn:li:activity:7401699691039830016%2F/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/vJ9e3ikvTr43YtcL7jSDUZDHWecNRGKT8hpYO48De5k=452" rel="noopener noreferrer" style="color: #0000EE; text-decoration: underline;" target="_blank"><strong>Inc.'s Best Bootstrapped businesses</strong></a> of 2025.
</div>
<br>
<div class="text-block">
If you have any comments or feedback, just respond to this email!
<br>
<br> Thanks for reading,
<br>
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.linkedin.com%2Fin%2Fprasannagautam%2F/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/lKdH-0SFrB-gz5zbKBeTRoQ4WXIFabfzb8FWGZvjzYo=452"><span>Prasanna Gautam</span></a>, <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.linkedin.com%2Fin%2Fericfernandezdelcampo%2F/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/pNzVcMR4-zStg-h2lh4csyQ0FXH4Rc63pcyVuT6y3Ak=452"><span>Eric Fernandez</span></a> & <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.linkedin.com%2Fin%2Fsammy-tbeile%2F/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/c32bIWmE4YcSHtD9vtMKpDmCNZKK-KxMwAhQyxRzwpc=452"><span>Sammy Tbeile</span></a>
<br>
<br>
</div>
<br>
</td></tr></tbody></table>
<table align="center" bgcolor="" border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td class="container" style="padding: 15px 15px;">
<div class="text-block" id="testing-id">
<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftldr.tech%2Finfosec%2Fmanage%3Femail=silk.theater.56%2540fwdnl.com/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/aUC_oXf5suq8QP17aC9FrUJHWKrScm0o2-eeaVipIbk=452">Manage your subscriptions</a> to our other newsletters on tech, startups, and programming. Or if TLDR Information Security isn't for you, please <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fa.tldrnewsletter.com%2Funsubscribe%3Fep=1%26l=8d9cea11-3e94-11ed-9a32-0241b9615763%26lc=156924ca-84b7-11f0-8d58-47c5c04ad337%26p=62dae692-c239-11f1-b178-7919d949056c%26pt=campaign%26pv=5%26spa=1791378053%26t=1791378515%26s=ceb57463483699e8d6c84a2dff9f4d02e56458ae99104c20189f688796d1e239/1/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/JTDZ5zRbDv8-X7pfl-I8798N3xEgtKzEo2mo87STXWc=452">unsubscribe</a>.
<br>
</div>
</td></tr></tbody></table>
</td></tr></tbody></table>
</td></tr></tbody></table>
</td></tr></tbody></table>
</td></tr></tbody></table>
<img alt="" src="http://tracking.tldrnewsletter.com/CI0/010001a1167ae7c7-1bf7bcf6-3533-4c05-9798-d861b9134980-000000/6Bzk7_1-jYk2QtMUQ3vMZApCW_5ek2kr17u0YUBPH1I=452" style="display: none; width: 1px; height: 1px;">
</body></html>