InsertScript: Adobe Reader – PDF callback via XSLT stylesheet in XFA
I have seen on twitter that there is use for another PDF callback Proof-of-Concept in Adobe Reader. Last year a PDF file called “BadPDF” was…
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New Stealthy Fileless Linux Malware ‘ShadowHS’ Emphasizes Automated Propagation
Security teams defending Linux environments now face a sophisticated threat designed to evade traditional detection. A newly uncovered fileless malware framework named ShadowHS operates entirely…
Windows 11 Introduces New Feature to Block Unauthorized Access to System Files
Microsoft has released KB5074105, a critical preview update for Windows 11 versions 25H2 and 24H2 (OS Builds 26200.7705 and 26100.7705), introducing enhanced security mechanisms to…
Russian APT28 Exploit Zero-Day Hours After Microsoft Discloses Office Vulnerability
Ukraine’s cyber defenders warn Russian hackers weaponized a Microsoft zero-day within 24 hours of public disclosure, targeting government agencies with malicious documents delivering Covenant framework…
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 82
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter KONNI Adopts AI to…
InsertScript: Libreoffice (CVE-2018-16858) – Remote Code Execution via Macro/Event execution
I started to have a look at Libreoffice and discovered a way to achieve remote code execution as soon as a user opens a malicious…
We moved fast and broke things. It’s time for a change.
The phrase “Move fast and break things” is a guiding philosophy in the technology industry. The phrase was coined by Meta CEO and founder Mark…
China moves to boost cybercrime penalties by adding exit ban after sentences
China is looking to escalate measures against cybercriminals operating inside and outside its borders by banning convicted citizens from leaving the country, even after they…
Microsoft fixes bug causing password sign-in option to disappear
Microsoft has fixed a known issue that was causing the password sign-in option to disappear from the lock screen options after installing Windows 11 updates…
ICE and Qatari Security Forces at the Winter Olympics Put Italians on Edge
With less than a week to go until the start of the 2026 Milano Cortina Winter Olympics in Italy, the topic making headlines isn’t sports.…
New Stealthy Fileless Linux Malware Spreads Automatically
A sophisticated fileless Linux malware framework, ShadowHS, that represents a significant evolution in post-exploitation tooling. Unlike traditional malware binaries, ShadowHS operates entirely in memory and…
Microsoft sets a path to switch off NTLM across Windows
Windows is shifting to a more secure authentication approach, moving away from New Technology LAN Manager (NTLM) and toward stronger, Kerberos-based options. NTLM has been…