Cybersecurity News

Microsoft analyzes a malicious Claude Code–branded extension, its persistent SSH backdoor, and guidance to detect and remediate it. The post Inside a malicious Claude Code-branded extension and its persistent SSH backdoor appeared first on Microsoft Security Blog.

Vapor Panda targeted more than 200 organizations spanning at least 14 countries, according to CrowdStrike. The ongoing campaign is remarkably successful and operating at shocking speed. The post China-backed threat group used agentic AI pentesting tool to compromise 140 sensitive targets in 11 days appeared first on CyberScoop.

Security researchers at Anthropic have developed an exploit for a critical Linux kernel vulnerability that allows unauthenticated attackers to remotely execute commands as root on servers running Multipath TCP (MPTCP) listeners. [...]

PHP2SHELL’s complexity stalls mass exploitation, attackers chain it with Fragnesia to root firewalls, and a silent Brotli fix leaves Node2Shell exposed.

The notifications come shortly before the Pall Mall Process is nearing final negotiations on guidelines for the use of commercial hacking tools. The post Apple notifications alert victims in 99 countries about mercenary spyware infections appeared first on CyberScoop.

Teams support impersonation led to remote access, malicious runtime execution, and Certificate Services abuse through authentication relay and Kerberos. The post From help desk impersonation to AD CS abuse: Investigating ESC1 and ESC8 intrusion paths appeared first on Microsoft Security Blog.

Los Angeles County officials told CyberScoop they received multiple grand jury subpoenas investigating alleged election fraud. States and civil groups call it a federal power play. The post California officials confirm grand jury subpoenas as states, civil groups brace to protect elections from federal encroachment appeared first on CyberScoop.

Hardware wallet device maker Trezor has received credible reports about a suspected hardware crypto-theft implant in a Trezor Safe 5 sold by its reseller CryptoBilis in Southeast Asia. [...]

RAID-AI aims to help organizations assess their security preparation for ransomware attacks targeting AI systems

319 Chrome extensions sent search queries through servers controlled by their operators, allowing them to see what users searched for.

The 62-year-old allowed co-conspirators to use his identity and top secret security clearance to apply for almost 100 jobs last year. The scheme’s success rate was limited. The post Defense contractor pleads guilty to aiding North Korean remote worker scheme appeared first on CyberScoop.

Over 22.6 million exposed instances are potentially affected by the critical PHP flaws that have been targeted for over a week. The post PHP2Shell Attacks Root Palo Alto Firewalls but Fail Against WordPress appeared first on SecurityWeek.

Noteworthy stories that might have slipped under the radar: Iran eyed in military freezer hacks, Copenhagen University breach, AI-powered malware. The post In Other News: Anthropic Breach Dispute, UEFI Flaw Hits Most Servers, Cloudflare AI Data Leak appeared first on SecurityWeek.

A malicious version of Anthropic's Claude Code VS Code extension was distributed through Cursor's extension marketplace for approximately 11 hours on October 29, exposing up to 5,000 developers to malware designed to install persistent SSH backdoors. [...]

Ahmad Umar Agha is best known for posting a fake Associated Press tweet claiming President Obama was injured in a White House bombing. The post Syrian hacker who served Assad regime gets 42 months in US prison appeared first on CyberScoop.

Flaws in SS7 and Diameter signaling protocols can allow attackers to track phone locations, intercept calls and SMS verification codes, and impersonate subscribers without compromising their devices. Cape explains how these attacks exploit trust between networks and how its security-focused mobile service helps defend against them. [...]

As organizations eliminate passwords, attackers will adapt. Instead of attacking the authenticator directly, they will look for opportunities around it. The post Passkeys Are Better Than Passwords. But They Are Not Enough. appeared first on SecurityWeek.

It allowed customers to host hack-for-hire services, supported ransomware and infostealer operators, and accepted crypto payments. The post Bulletproof Host Virtualine Loses Its Domain to FBI Seizure appeared first on SecurityWeek.

Attackers have started exploiting a maximum-severity GitLab vulnerability patched earlier this month, according to the US Cybersecurity and Infrastructure Security Agency (CISA). [...]

Ofcom has set out four possible age-verification methods for UK’s under-16 social media ban.

Attackers stole about $6.3 billion in cryptocurrency from Binance in what analysts say is the largest crypto theft on record.

Threat actors are attempting to exploit a high-severity unauthenticated race condition leading to remote code execution. The post Fresh WordPress Vulnerability in Attackers’ Crosshairs appeared first on SecurityWeek.

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-111357 Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability CVE-2026-118527 Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise.  Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-explo

Dream found that a suspected Chinese-nexus actor gained root access to Palo Alto Network firewall servers to target government organizations

A hacker group claims it stole data on 41,000 DHS employees, exposing work contact details and internal group memberships.

Leading cryptocurrency analysts have attributed the cyber-attack to a North Korean elite hacking unit

Microsoft has resolved Always On VPN connection failures triggered after installing the September 2026 Windows 11 security updates. [...]

Drupal says a highly critical Commerce Core access bypass is exploited in the wild and urges store owners to audit their orders. The post Drupal Commerce Core Vulnerability Exploited Against Online Stores  appeared first on SecurityWeek.

Drupal warned admins to patch a critical access bypass vulnerability in the Commerce Core module that attackers are exploiting in the wild. [...]

Malicious code linked to a website monitoring tool was designed to hijack logged-in Polymarket sessions and siphon user funds. The post $2 Million+ Drained From Polymarket Traders in New Supply Chain Attack appeared first on SecurityWeek.