Hackers are impersonating IT staff in Microsoft Teams to trick employees into installing malware, giving attackers stealthy access to corporate networks.

Hackers abused Microsoft Teams and Quick Assist to deploy A0Backdoor malware at financial and healthcare organizations, researchers warn.

Hackers contacted employees at financial and healthcare organizations over Microsoft Teams to trick them into granting remote ...

IntroductionThreat actors often take advantage of major global events to fuel interest in their malicious activities. Zscaler ThreatLabz is diligently tracking a surge in cybercriminal activity that ...

VOID#GEIST malware campaign delivers XWorm, AsyncRAT, and Xeno RAT using batch scripts, Python loaders, and explorer.exe ...

Researchers link Silver Dragon APT to APT41 after attacks on government entities using Cobalt Strike, DNS tunneling, and ...

North Korean hacking group APT37 was seen deploying new implants, backdoors, and other tools in attacks targeting air-gapped ...

North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...

Microsoft has split Windows 11 into two parallel development tracks, creating separate paths for Arm and x86 architectures in an unprecedented move. PCWorld reports that devices running Windows 11 ...

Since its release in the fall of 2021, Microsoft’s Windows 11 has received an “annual feature update” in the second half of every year. These feature updates sometimes include new Windows features and ...

Engineers are now focusing on performance, reliability, and the overall Windows experience. Engineers are now focusing on performance, reliability, and the overall Windows experience. is a senior ...