The U.S. Federal Trade Commission also threatened possible legal action for companies that don’t address the risk from the Log4j vulnerabilities.

Last week, the U.S. Federal Trade Commission (FTC) issued a warning to companies to remediate the serious vulnerability in the popular open-source Java logging package Log4j to avoid future legal action. In issuing its notice, the FTC underscored that organizations have legal obligations “to take reasonable steps to mitigate known software vulnerabilities.”

The FTC also evoked the cautionary tale of credit rating agency Equifax, which in 2017 failed to patch a known vulnerability that irreversibly exposed the personal information of 147 million consumers. Consequently, Equifax was forced to pay up to $700 million as part of a global settlement with the FTC, the Consumer Financial Protection Bureau (CFPB), and 50 U.S. states.

The FTC says it “intends to use its full legal authority to pursue companies that fail to take reasonable steps to protect consumer data from exposure as a result of Log4j or similar known vulnerabilities in the future.” Some legal experts consider the FTC’s warning “an unusual but interesting move.” Others say it’s a continuation of the Biden administration’s more muscular stance on a spectrum of cybersecurity issues.

“I really believe that the FTC is laying down a marker and it fits within the broader mosaic of how the executive branch is addressing cyber threats and the responsibility of the private sector to address them,” Scott Ferber, partner at McDermott Will & Emery, tells CSO. “It’s been a mix of carrot and stick, although some might say more stick than carrot, particularly regarding industries and sectors that are regulated, whether it’s critical infrastructure, finance or government contractors.”

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