I'd like to thank my co-author, Martin Zugec, for his valuable contributions to this report. This intrusion adds three dimensions to the public understanding of Chinese APT activity in contested ...

IntroductionOn March 1, 2026, ThreatLabz observed new activity from a China-nexus threat actor targeting countries in the Persian Gulf region. The activity took place within the first 24 hours of the ...

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

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 ...

A fake CAPTCHA scam is tricking Windows users into running PowerShell commands that install StealC malware and steal passwords, crypto wallets, and more. A new social engineering campaign is abusing ...

ms17_vuln_status.cpp - This program sends 4 SMB packets. 1 negotiation, 1 session setup, 1 tree connect and 1 TransNamedPipe request. This program then reads the NT_STATUS response from the ...

For years, the Middle East has maintained its reputation as a fertile ground for advanced persistent threats (APTs). In the midst of routine monitoring of suspicious activities on the systems of ...

E-commerce industries in South Korea and the U.S. are at the receiving end of an ongoing GuLoader malware campaign, cybersecurity firm Trellix disclosed late last month. The malspam activity is ...

A previously unknown Chinese hacking group known as 'Space Pirates' targets enterprises in the Russian aerospace industry with phishing emails to install novel malware on their systems. The threat ...