CISA Confirms Cyberattack on Critical Chemical Security Tool

U.S. cyber defense agency confirmed Monday that one of its critical tools containing private sector chemical security plans was the target of a January cyberattack. The cybersecurity intrusion affected the agency's Chemical Security Assessment Tool. The agency "found no evidence of exfiltration of data" but warned the hackers may have accessed "top-screen surveys, security vulnerability assessments, site security plans, personnel surety program submissions and CSAT user accounts."