Securing Filesystems for Confidential Computing

Confidential computing protects applications inside Trusted Execution Environments TEEs, but it leaves storage vulnerable. Even with disk encryption, a malicious cloud provider can roll back, replay, fork, or tamper with disk state, breaking the integrity and freshness guarantees required by...

Defray Ransomware Seen Targeting Education, Healthcare Industry

Researchers observed a new, albeit small and selective ransomware campaign earlier this month targeting both education and healthcare verticals. The ransomware, dubbed Defray, comes hidden in rigged Microsoft Word document attachments, sent via email. Researchers with Proofpoint, who spotted two...

ShieldFS Can Detect Ransomware, Recover Files

LAS VEGAS—Researchers from Italy’s Politecnico di Milano unveiled at Black Hat last week an add-on Windows driver and filesystem that detects ransomware and recovers files. ShieldFS was officially unveiled during the hacker conference by researchers Andrea Continella and Federico Maggi, who said...