Cybersecurity
Cisco warns of new SD-WAN zero-day exploited in attacks
Cisco released security updates to address a critical zero-day in the Catalyst SD-WAN Manager (tracked as CVE-2026-76504) that attackers are actively exploiting to escalate to adm…
AI's Third Wave: Coworkers Break the Security Model That Worked for Agents
Persistent AI coworkers may operate continuously with standing access, creating identity risks that existing security models were not designed to handle. Token Security explains w…
Microsoft to block Entra ID script injection attacks starting October
Microsoft has reminded customers that the Entra ID authentication system will get better protection against external script injection attacks starting next month. [...]
TeamViewer urges users to patch severe flaws “as soon as possible”
Remote access software company TeamViewer warned customers on Tuesday to immediately patch a set of high-severity vulnerabilities affecting its client and host software. [...]
Know Your Enemy: Browser-Based Attack Techniques in 2026
Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browser session. Often, th…
AI Coding Agents Exposed 13,000 Internal Images, Including Billing Records, on GitHub
AI coding agents asked to share screenshots of code changes for review have put internal company images in public GitHub repositories, security company Glow said. Its researchers …
Bitget hacked via zero-day in third-party security products
Cryptocurrency exchange Bitget revealed today that attackers who stole $387.5 million last week breached its systems after exploiting a zero-day flaw in third-party security produ…
US-Focused CSuite Phishing Steals Microsoft 365 Sessions and Deploys RMM Tools for Remote Access
ANY.RUN researchers traced a US-focused CSuite phishing campaign across 351 sandbox analyses, with 51% of submissions coming from the United States. Technology, manufacturing, gov…
Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT
Unknown threat actors have been observed exploiting a newly patched security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances to target organizations in North America…
OpenSSL Fixes High-Severity DTLS Flaw That Can Leak Heap Memory Unencrypted
A High-severity OpenSSL flaw can leak heap memory to the other side of a DTLS connection or crash the program, OpenSSL said on September 29 as it released fixes. DTLS, the TLS var…
Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution
Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation…
Microsoft is rolling out Linux container support to WSL
Microsoft is taking Windows Subsystem for Linux beyond just running Linux distributions, as WSL Containers is now generally available. [...]
Signal adds encypted local backup support to iOS, desktop apps
Signal, the secure messaging app, released version 8.30, completing the rollout of its secure backups feature across all supported operating systems (Android, iOS, Linux, macOS, a…
Custom ChatGPTs push ClickFix attacks to deploy RAT malware
Custom variants of OpenAI's ChatGPT promoted in sponsored Google results are directing unsuspecting users to malicious sites that use ClickFix attacks to deliver malware. [...]
FBI tells ShinyHunters members to turn themselves in after recent arrest
The FBI is warning members of the ShinyHunters extortion group to turn themselves in after Dutch police arrested a man the bureau described as one of the group's alleged leaders. …
Hackers exploit Citrix NetScaler zero-day to deploy web shells
Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, an…
Former US Air Force members sent to prison over BEC attacks
Two former members of the United States Air Force were sentenced to a combined 189 months in federal prison for their roles in a multi-year series of business email compromise (BE…
French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks
An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax a…
Windows 11 2026 Update released, here's everything you need to know
Microsoft has started rolling out Windows 11 26H2 to everyone, and while it's this year's big annual feature update, you probably won't notice a massive difference after installin…
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses
A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT) engines present in…
Russia's Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor
Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft. …
New Spectre v2 attack variant leaks Linux root password hash in minutes
A new Branch Target Reuse (BTR) attack has been devised that can recover root password hashes on Intel computers running Linux in 3-5 minutes on average. [...]
Automated AI agent used to breach cybersecurity nonprofit DIVD
The Dutch Institute for Vulnerability Disclosure (DIVD) suffered an AI-driven cyberattack that the organization described as "loud and very, very messy." [...]
Kiteworks Fixes Critical Flaw Found During Nine-Hour Precautionary Shutdown
Kiteworks on Monday said it worked with federal intelligence authorities over the weekend as it identified and addressed a critical security vulnerability during the scheduled pre…