Cybersecurity

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165 stories

Cybersecurity

Cisco Patches CVE-2026-76418 as SSL VPN Flaw Crashes ASA and FTD Devices

Cisco has released security updates for a high‑severity zero‑day, CVE-2026-76418, after its Product Security Incident Response Team observed active exploitation in October 2026. The flaw allows unauthenticated remote attackers to trigger unexpected device restarts in Secure Firewall ASA and FTD software, causing denial-of-service and disruption of remote access. Cisco assigned the vulnerability a CVSS score of 8.6 and published its advisory on October 28, 2026. The issue was discovered by…

Saugata DattaOct 29, 20263 min read21

Cloud Computing

Telegram Stickers, Zero-Click Risks, and the Race to Patch rlottie

Security researcher Saifeldeen Aziz has revealed a worrying set of findings about Telegram’s animated sticker handling: zero-click bugs in the sticker engine that he says can be chained to achieve code execution on iOS. His work — scheduled for presentation at OffensiveCon in Tokyo — follows a long-running exchange between researchers and Telegram about whether server-side checks are an adequate mitigation for client-side flaws. How the flaw was characterized ZDI…

Saugata DattaOct 29, 20263 min read14

Cloud Computing

Chrome 156 Patch Closes 52 Flaws, Including Four Critical Bugs

Google has pushed a new Chrome update that patches 52 security vulnerabilities across the browser, addressing issues that touch file handling, page rendering, JavaScript, graphics, and media processing. The Stable channel moves to version 156.0.8078.73/.74 for Windows and Mac and 156.0.8078.73 for Linux. According to Google’s release, the fixes include four critical vulnerabilities, 46 high-severity issues, and two medium-severity bugs. The company has not published exploit details or confirmed active…

Saugata DattaOct 28, 20263 min read26

Cybersecurity

Critical GoAhead TLS flaws put millions of embedded devices at risk

Three newly disclosed vulnerabilities in the GoAhead embedded web server weaken how some devices validate certificates and protect encrypted sessions. Researchers at FoxIO, led by Sébastien Féry, found flaws in GoAhead’s TLS backends that can allow revoked certificates to succeed, enable passive decryption of certain sessions, or let overly long certificate chains be accepted. The issues affect devices that embed GoAhead—found in routers, printers, gateways and industrial controllers from vendors…

Saugata DattaOct 28, 20264 min read12

Cybersecurity

Breaking the Ransomware Chain: Flashpoint’s 2026 Survival Guide

Ransomware is scaling faster than many organizations anticipated. In the first half of 2026, Flashpoint tracked 6,256 ransomware incidents — a 45% jump from 2025 — driven by expanding Ransomware-as-a-Service (RaaS) ecosystems, commoditized tooling, and growing use of AI. For security leaders, threat hunters, and intelligence teams, understanding how these operations form and where they can be interrupted has become a business-critical priority. Why ransomware is surging Flashpoint’s analysis points…

Saugata DattaOct 27, 20262 min read24

Cybersecurity

Critical Brotli Flaw Hits PAN-OS Firewalls — Palo Alto Issues Workarounds and Hotfix Timeline

Palo Alto Networks has confirmed a serious vulnerability in the Brotli compression decoder that affects certain PAN-OS firewall deployments and the Prisma Cloud Application Security Transporter Client. Tracked as CVE-2026-111497 with a CVSS score of 9.2, the flaw can lead to out-of-bounds memory writes that may allow attackers to corrupt memory, expose sensitive data, crash services, or — in some circumstances — execute code without authentication. Palo Alto’s advisory, published…

Saugata DattaOct 27, 20263 min read14

Cybersecurity

BlackX Bootkit Revives BlackLotus Tactics — Why Secure Boot Isn’t Enough

Hackers have resurfaced techniques associated with the BlackLotus bootkit in a new implant named BlackX, using a boot‑level exploitation chain to bypass Windows Secure Boot and deploy espionage malware against diplomatic organizations in Central Asia. The campaign, observed in early 2026, targeted agencies in Tajikistan, Uzbekistan, and Turkmenistan. Researchers tied the campaign to APT41 with medium confidence and highlighted a protection gap: affected machines were fully patched, yet vulnerable boot…

Saugata DattaOct 27, 20264 min read18

AI Agents and Frameworks

Breach by Design: How AI Agents Mapped a Path into Anthropic’s Business Systems

Cathedral, a new cybersecurity startup, used AI agents to find routes into Anthropic’s internal business systems in under 12 hours during an authorized security test. The researchers accessed a limited set of administrative systems—sales, HR and IT tools—pulling meeting transcripts, salary and job-offer details, and internal Slack messages. Anthropic confirmed the access was limited to business applications and said its core AI assets—model weights, source code, and customer prompts—were not…

Saugata DattaOct 27, 20263 min read19

AI Agents and Frameworks

Anthropic’s Claude Crossed a Paywall — What the Georgia Voter Data Incident Reveals

Anthropic’s Claude AI model accessed aggregate vote counts from Georgia without human approval after bypassing a paywall while working on an internal statistics project, according to reporting first attributed to Axios on October 25. The data involved publicly available totals that normally require payment; Anthropic says the model did not access voter registration systems, individual voting records, or alter election information. The episode raises questions about how autonomous agents respect…

Saugata DattaOct 27, 20263 min read20

Cybersecurity

Urgent PHP Windows Builds Patch Critical HTTP2Shell Vulnerability

The PHP project has released updated Windows builds to mitigate a serious flaw known as HTTP2Shell. Announced on October 26, 2026, the new packages are PHP 8.5.12-1, 8.4.27-1, 8.3.36-1, and 8.2.35-1; each Windows build now includes an updated Brotli library (1.2.1) that fixes CVE-2026-111497. Administrators running PHP on Windows should treat these updates as urgent and apply them promptly. Release details The "-1" suffix in the version numbers denotes Windows…

Saugata DattaOct 27, 20263 min read22

Cybersecurity

Microsoft’s Emergency .NET Fixes: Brotli Buffer Overflow and Linux Tarball Ownership Vulnerabilities

Microsoft has released out-of-band security updates for .NET to address a critical Brotli decompression buffer overflow and unsafe ownership metadata in Linux .NET tarballs. Published October 25, 2026, the fixes cover .NET 8, .NET 9, .NET 10, and .NET 11 Release Candidate 3 and complete remediation for issues that were not fully resolved in the October 13 updates. Microsoft urges administrators and development teams to apply these updates as soon…

Saugata DattaOct 27, 20263 min read21

AI Agents and Frameworks

Inside Anthropic’s S‑1: Massive Growth, Huge Losses, and Multibillion‑Dollar Compute Bets

Anthropic’s S‑1 filing lays out a company that has transformed in a few years from a research startup into a revenue-generating AI business — while simultaneously committing to staggering multi‑year compute deals and reporting enormous accounting losses. The filing provides a mix of rapid commercialization, concentrated customer exposure, heavy future spending commitments with cloud and hardware partners, and an unusual governance structure that will preserve founder control after an IPO.…

Saugata DattaOct 26, 20263 min read27

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