UL

Ransomware

Estimated loss

—

VERDICT —UNRATED

Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.

▰ METHOD

Undisclosed

Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

Forensic narrative

UL LLC (commonly known as Underwriters Laboratories) suffered a ransomware attack that encrypted its server and caused the server to shut down the system when it recovered. To prevent the attack from spreading further, the company shut down the system so that certain employees could not perform their work. According to sources familiar with the attack, UL decided not to pay the ransom, but to restore from backup. Attack method (per SlowMist): Ransomware. Reported loss: -.

Primary source

https://www.bleepingcomputer.com/news/security/underwriters-laboratories-ul-certification-giant-hit-by-ransomware/ ↗

Sourced from

slowmist

Technical record