KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt engineering, ransomware and phishing attacks.

Report: There Are Nearly 66 Billion Stolen Identity Records on Criminal Forums

Researchers at SpyCloud warn that the number of stolen identity records on criminal forums rose to 65.7 billion in 2025, a 23% increase from the previous year.

Criminals Are Selling Stolen Tax Forms for Cheap on the Dark Web

Researchers at Malwarebytes warn that cybercriminals are peddling stolen tax documents for as low as $4 per identity, with freshly stolen forms selling for $20 each. These documents allow ...

Custom Fonts Can Trick AI Assistants Into Approving Phishing Sites

Researchers at LayerX warn that custom fonts can fool AI web assistants into thinking phishing pages are benign, while the human user sees something completely different.

Introducing Our KnowBe4 AI Agents

Although AI seems relatively new to a lot of people, it was first officially created in 1956 and has been a large, improving branch of computer science ever since. The mass appeal of AI ...

How Advanced Email Security Helps Navigate Threats in the Age of AI

A finance employee receives an email that appears to come from the CFO requesting urgent payment approval. The message references a current project, uses the correct tone, and arrives at ...

Report: Attackers Can Trick AI Assistants Into Displaying Phishing Messages

Researchers at Permiso warn that threat actors can plant phishing messages within Copilot AI summaries. Notably, the researchers found that attackers can trick Copilot into including ...

Why Financial Firms are Outgrowing Traditional Email Security

In the financial services industry, a "security incident" is rarely just an IT ticket. It is a regulatory event. Whether you are a bank, a global investment firm, or a fintech startup, ...

Great Patching Lessons To Learn From The Zero Day Clock

I just came across the Zero Day Clock, and I love it. Everyone should go there, see the stats, see the trends, and figure out what that means for your ongoing and future patch management ...

Scammers Abuse Calendar Invites to Plant Phony Subscription Notices

Malwarebytes warns that a phishing campaign is using Google Calendar invites to send phony renewal notices for Malwarebytes subscriptions. The calendar invites contain a phone number that ...

Why Your Human Risk Management Strategy Can’t Ignore AI

AI isn’t just another technology wave—it’s a force multiplier for both innovation and risk. In a recent webinar featuring insights from Bryan Palma and guest speaker Jinan Budge, Vice ...