Greg Otto

2 weeks ago | cyberscoop.com | Greg Otto

President Donald Trump signed a memorandum Wednesday revoking the security clearance of former CISA leader Chris Krebs, with the White House saying he was a “significant bad-faith actor who weaponized and abused his government authority” during his time leading the agency.

3 weeks ago | cyberscoop.com | Greg Otto

International intelligence and cybersecurity agencies jointly issued a warning Thursday about “fast flux,” an advanced technique used by cybercriminals and state-sponsored actors to evade detection and maintain resilient command and control infrastructure. Fast flux involves rapidly changing or swapping out IP addresses linked to a particular domain. These quick changes render malicious activity nearly invisible to defensive measures.

3 weeks ago | cyberscoop.com | Greg Otto

U.S.-based cybersecurity firm ReliaQuest has secured a significant funding boost with a new investment round totaling over $500 million, elevating the company’s valuation to $3.4 billion. The funding round was led by global investors EQT Partners, KKR, and FTV Capital, alongside existing investors Ten Eleven Ventures and Finback Investment Partners. This fresh capital injection underscores ReliaQuest’s ambition to enhance and expand its GreyMatter platform globally.

4 weeks ago | cyberscoop.com | Greg Otto

U.S. intelligence leaders found themselves under intensified scrutiny from Congress for a second straight day, following revelations that significant military plans were discussed over text messaging application Signal. Both Director of National Intelligence Tulsi Gabbard and CIA Director John Ratcliffe apologized during a House Intelligence Committee hearing Wednesday, yet continued to claim that no sources, methods, locations or war plans were shared in the chat.

1 month ago | cyberscoop.com | Greg Otto

Nominations can be submitted for the 2025 CyberScoop 50 awards! In 1999, Dave Mann and Steve Christey, two researchers from the nonprofit R&D corporation MITRE, debuted a concept for security vulnerabilities that laid the groundwork for the common vulnerability and exposures framework (CVE) that organizes information around computer vulnerabilities. Twenty-five years later, the CVE program, which assigns a unique record to each reported vulnerability, is in its fifth iteration. It has become...