Accuracy in contractor proposal representations and cybersecurity compliance remains pressing, as demonstrated by an April 2021 settlement under the False Claims Act (FCA). In a previous alert, we noted that contractor representations of cybersecurity compliance/capabilities represent a fertile ground for bid protests. In this GT Alert, we highlight how the Department of Justice (DOJ) Cyber Fraud Initiative and qui tam actions under the FCA represent significant enforcement mechanisms that raise the stakes for non-compliance with evolving cybersecurity requirements applicable to contractors and grant recipients.