Microsoft Teams will soon let administrators tweak the list of file extensions commonly associated with security threats to meet their company's security requirements. [...]

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates. [...]

Check Point Software has released security updates to address a critical vulnerability that can let attackers execute code with root privileges on management systems. [...]

Microsoft has fixed a known issue that causes copy-and-paste failures for some Excel users after installing the September 2026 KB5002914 security update. [...]

Microsoft reminded customers this week that devices running Windows 11 24H2 Home and Pro editions will stop receiving updates next month. [...]

The U.S. Federal Bureau of Investigation (FBI) seized the domains used by NightmareStresser, one of the world's longest-running distributed denial-of-service (DDoS) platforms. [...]

GitLab urged users on Thursday to patch their servers immediately against a maximum-severity path traversal vulnerability tracked as CVE-2026-85706. [...]

Microsoft has fixed a bug that prevented Teams and Outlook from launching on ARM-based Windows devices after installing updates released since the August 2026 Patch Tuesday. [...]

Trezor has revealed that phishing attacks against its customers earlier this week targeted 347,000 email addresses and affected 2,500 users who clicked an embedded malicious link. [...]

A Ukrainian national has been sentenced to four years in prison for his role in Conti ransomware attacks between 2021 and 2022. [...]

Microsoft has fixed a known issue that wiped mouse settings on some Windows 11 systems after installing the KB5120998 August 2026 preview update. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed that ransomware gangs are also exploiting a critical WatchGuard Firebox firewall vulnerability, which it flagged as actively exploited in December. [...]

Microsoft says the September 2026 Patch Tuesday updates fix a known issue causing desktop settings to be lost or reset on some Windows devices. [...]

Trezor warned customers on Wednesday that threat actors who breached its third-party email provider are targeting them in phishing attacks. [...]

Over 36,000 Plex Media servers exposed online remain unpatched against multiple security vulnerabilities and are vulnerable to attacks. [...]

An Ohio man was sentenced to 15 years in prison for multiple cybercrimes, including sextortion and cyberstalking of numerous victims using AI-generated sexually explicit content. [...]

An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldCrash" right after Microsoft rolled out its September 2026 Patch Tuesday security updates. [...]

Google has patched 230 vulnerabilities on Tuesday, including another actively exploited Chrome zero-day bug, the seventh such vulnerability patched since the start of the year. [...]

Microsoft says the August 2026 security update may trigger 0xc0000409 errors on Windows Server 2016 systems where the Compatibility Appraiser diagnostic service is enabled. [...]

SAP has addressed 20 vulnerabilities across multiple products in its September 2026 security updates, including a maximum-severity memory corruption flaw in the SAP Kernel code. [...]