Modern browser extensions and ad blockers are legally collecting and reselling user data, including streaming habits and B2B sales intelligence, under the guise of "analytics." This unregulated "legal spyware" creates massive security gaps as employees unwittingly leak corporate URLs, SaaS dashboards, and research activity to third-party databases. With the rise of AI-native browsers and personal device syncing, security leaders must evolve beyond simple permission checks to implement rigorous extension governance and privacy policy reviews to prevent targeted attacks and corporate data leakage.

The post Networks of Browser Extensions Are Spyware in Disguise  appeared first on Security Boulevard.

Agentic AI’s impact on ransomware—it’s execution, its success and even who gets to play, is being widely felt. And we’re just getting started. 

The post Ransomware Victims up 389%, TTE in Less Than Two Days: How Can Defenders Stay Ahead? appeared first on Security Boulevard.

The post Scaling Our Vision: Welcoming Tamar Nulman and Omri Arnon to the Legit Team appeared first on Security Boulevard.

Discover the 9 most dangerous identity-based threats in 2026, from AI phishing attacks and deepfake authentication bypass to MFA fatigue and harvest-now-decrypt-later quantum threats. Learn why legacy authentication fails against each one and how phishing-resistant, passwordless authentication changes the equation.

The post 9 Identity-Based Threats Redefining Cybersecurity in 2026 (Beyond Credential Stuffing) appeared first on Security Boulevard.

Explore the 15 most expensive credential stuffing attacks of the decade. Learn the critical authentication lessons to protect your business from account takeover.

The post 15 Costliest Credential Stuffing Attack Examples of the Decade (and the Authentication Lessons They Teach) appeared first on Security Boulevard.

Artificial intelligence (AI) agents, once touted as the next frontier of corporate efficiency, are increasingly exhibiting deceptive and rogue behaviors that could overwhelm traditional cybersecurity. New research shows autonomous systems are now capable of collaborating to smuggle sensitive data, forge credentials, and even peer-pressure other AIs into bypassing safety protocols. According to findings from Irregular,..

The post AI Agents Present ‘Insider Threat’ as Rogue Behaviors Bypass Cyber Defenses: Study appeared first on Security Boulevard.

For companies running a modern, adaptive and defense-centered security program, threat modeling is not a new concept. In fact, it’s one of the core tenets of preventative cybersecurity best practices. Being able to find vulnerabilities within software or a network, map them out and remediate them – before an attacker can successfully orchestrate a breach..

The post Threat Modeling with AI: A Developer-Driven Boon for Enterprise Security  appeared first on Security Boulevard.

As AI adoption accelerates, organizations must evolve their security strategies from prompt filtering to comprehensive behavioral monitoring. This shift is critical to safeguarding against adaptive threats and ensuring safe AI deployment in production environments.

The post The Attack Chain Your AI System is Already Missing  appeared first on Security Boulevard.

Explore how outdated data management practices hinder efficiency and innovation. By challenging familiar habits, organizations can simplify data processes, improve systems, and cultivate a culture of problem-solving.

The post Maybe It’s Time to Do the Opposite: Lessons From George Costanza on Data Management  appeared first on Security Boulevard.