Buffer overflow vulnerabilities have driven remote code execution for decades and keep appearing in critical network ...

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 ...

Abstract: Emerging smart contract systems over decentralized cryptocurrencies allow mutually distrustful parties to transact safely without trusted third parties. In the event of contractual breaches ...

Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or ...

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 ...

Cybersecurity researchers are warning of a new phishing campaign that's targeting users in Taiwan with malware families such as HoldingHands RAT and Gh0stCringe. The cybersecurity company said it ...

Malware authors looking to evade analysis are turning to less popular programming languages like Delphi or Haskell. Computer scientists affiliated with the University of Piraeus and Athena Research ...

ESET researchers discovered a previously unknown vulnerability in Mozilla products, exploited in the wild by Russia-aligned group RomCom. This is at least the second time that RomCom has been caught ...