Collaborate Disseminate
“Unauthorized third parties may have been able to access certain booking information associated with your reservation,” email alerts sent out by Booking.com over the weekend warn. The online travel agency did not say which system(s) were ac… Continue reading Booking.com data breach: Customer reservation data exposed
If you tried to download software from CPUID’s website late last week, you might have downloaded malware instead. “Investigations are still ongoing, but it appears that a secondary feature (basically a side API) was compromised for approxim… Continue reading Hackers hijacked CPUID downloads, served STX RAT to victims
Adobe has pushed out an emergency security update for Adobe Acrobat Reader, patching a zero-day vulnerability (CVE-2026-34621) exploited in the wild since November 2025. About CVE-2026-34621 CVE-2026-34621 is a critical prototype pollution vulnerabilit… Continue reading Adobe issues emergency fix for Acrobat Reader flaw exploited in the wild (CVE-2026-34621)
Security researchers at Jamf have uncovered a new ClickFix-style attack targeting Mac users via a fake Apple-themed webpage offering instructions on how to “reclaim disk space on your Mac”. The malicious page (Source: Jamf) ClickFix for eve… Continue reading ClickFix campaign delivers Mac malware via fake Apple page
A financially motivated hacking group is targeting Canadian employees with a sophisticated campaign designed to covertly redirect their salary payments into attacker-controlled bank accounts, Microsoft researchers discovered. SEO poisoning and malverti… Continue reading Poisoned “Office 365” search results lead to stolen paychecks
In the latest demonstration of how AI assistants can help with bug hunting, Horizon3.ai researcher Naveen Sunkavally used Claude to unearth CVE-2026-34197, a remote code execution vulnerability in Apache ActiveMQ that’s been introduced in the cod… Continue reading Claude helps researcher dig up decade-old Apache ActiveMQ RCE vulnerability (CVE-2026-34197)
Unknown attackers have exploited a zero-day Adobe Acrobat Reader vulnerability since November 2025 and possibly even earlier, security researcher Haifei Li has discovered. PDF files carry the exploit Haifei Li is one of the creators of EXPMON, a sandbo… Continue reading Acrobat Reader zero-day exploited in the wild for many months
A buggy but functional proof-of-concept (PoC) exploit for an unpatched Windows local privilege escalation vulnerability dubbed BlueHammer has been published on GitHub by someone who goes by the handle Chaotic Eclipse and Nightmare Eclipse. Several secu… Continue reading BlueHammer: Windows zero-day exploit leaked
North Korean hackers spent weeks socially engineering an Axios maintainer through a fake Slack workspace, a cloned company identity, and a fabricated Microsoft Teams call that tricked him into installing a RAT posings as a software update. They used th… Continue reading Social engineering attacks on open source developers are escalating
Defused Cyber has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time around, the confirmation of active exploitation came almost immediately from Forti… Continue reading FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616)