Security operations company ReliaQuest LLC announced today that it has raised more than $500 million in new funding on a $3.4 billion valuation to advance agentic AI-driven cybersecurity automation and support the company’s ongoing international expansion. Founded in 2007, ReliaQuest is a cybersecurity technology company that specializes in enhancing enterprise security operations. The company has ...

A new report out today from Cisco Talos, a cybersecurity company that’s part of Cisco Systems Inc., found that in 2024, cybercriminals didn’t need zero-days or custom malware to wreak havoc: They just logged in, with identity-based attacks, misused legitimate tools and and years-old vulnerabilities driving the majority of security incidents last year. The findings come ...

A new report out today from cybersecurity company SquareX Inc. is warning of a dangerous new evolution in ransomware: browser-native attacks that bypass traditional defenses and put millions of users at risk. Browser-based ransomware differs from traditional ransomware that relies on downloaded files to infect systems in that the ransomware operates entirely within the browser ...

A new report out today from application security firm F5 Inc. reveals that bots now generate more than half of all web content page requests, with generative artificial intelligence providers driving a sharp increase in automated traffic. The findings come from the F5 2025 Advanced Persistent Bots Report, based on an analysis of 207 billion ...

Physical security company Hakimo Inc. announced today that it has raised $10.5 million in new funding and launched AI Operator, an autonomous security agent that monitors existing security hardware, detects threats in real time, and executes response protocols just like a human security professional. Founded in 2020 by Stanford-trained AI experts Sam Joseph and Sagar ...

Deepfake and fraud prevention company Polyguard Inc. launched today with an offering that proactively protects against multichannel fraud and impersonation attacks. Polyguard pitches itself as “redefining anti-fraud technology for the AI era” by giving financial institutions, businesses and individuals full control over their personal and critical communications. The company’s offering seeks to assist in dealing ...

Artificial intelligence-native security company Straiker launched today with an announcement that it has raised $21 million from Lightspeed Venture Partners LP and Bain Capital Ventures. The company introduced solutions designed to safeguard the full range of enterprise AI applications, from AI-native apps to agents. Straiker aims to help organizations confidently deploy AI by addressing critical security ...

Financial technology firm Mercury Financial LLC, best known as a bank of choice for tech startups, announced today that it has raised $300 million in new funding on a $3.5 billion valuation, partly to explore acquisitions. ​Founded in 2017, Mercury tailors its services to startups and tech-focused businesses. The company partners with Federal Deposit Insurance ...

Infrastructure-as-code provider Pulumi Corp. today announced four product enhancements that are designed to improve security, streamline automation and provide greater control over cloud resources. Pulumi has introduced new features to enhance cloud security and automation, including automated secrets rotation, secure GitHub Actions integration and granular role-based access controls. The company has also expanded its policy-as-code capabilities to ...

A new report out today from security rating firm SecurityScorecard Inc. details a surge in vendor-driven attacks as threat actors increasingly exploit third-party relationships to gain access to their targets. The findings come from SecurityScorecard’s 2025 Global Third-Party Breach Report, based on analysis by the company’s Threat Intelligence Unit of 1,000 breaches across industries and regions ...