Zero-Day ‘Follina’ Bug Lays Microsoft Office Open to Attack

UPDATE A zero-day vulnerability in Microsoft Office allows adversaries to run malicious code on targeted systems via a flaw a remote Word template feature. The warning comes from Japanese security vendor Nao Sec, which tweeted a warning about the zero day over the weekend. It’s unclear if the...

Purgalicious VBA: Macro Obfuscation With VBA Purging

Malicious Office documents remain a favorite technique for every type of threat actor, from red teamers to FIN groups to APTs. In this blog post, we will discuss "VBA Purging", a technique we have increasingly observed in the wild and that was first publicly documented by Didier Stevens in Februa...

BruCON – Belgium's First Security Conference

BruCON – Belgium's First Security Conference BruCON, Belgium's first security conference is back for it's third edition on 19-22 September. After witnessing greater success in the past two years, this year's event is expected to attract more then 400 people from around Europe. BruCON conference...

Didier Stevens on PDF Hacking and Security

Dennis Fisher talks with Didier Stevens, the security researcher who developed the innovative method for using the /launch command in PDF readers to execute code on remote machines. Stevens discusses the ramifications of the discovery, the security of PDFs in general and the user behavior that...