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.

How Do I Send a Secure Email in Outlook?

Sending an unsecured email can be likened to writing sensitive information on a sticky note and leaving it on someone else's desk: anybody can intercept and share that information. ...

Ransomware Attacks Surge by 50% Even as Payments Drop

The number of ransomware attacks increased by 50% in 2025, even though the number of victims who decided to pay the ransom fell to an all-time low, according to a new report from ...

[Arms Race] Hackers Use AI. Here’s Why Defenders Must Too

Yes, you need AI to defeat AI. Long-time followers of mine know that I am not an AI hype person. Some people might even call me an AI critic. I prefer to call myself an AI realist. I do ...

Announcing the Custom SAPA Agent: Security Awareness Measurement Built for Your Environment

Security awareness programs are built on measurement. Before you can reduce human risk, you need a clear understanding of where knowledge gaps exist across your workforce. For many ...

9 Must-Know Best Practices for Email Security

More than 90% of successful cyberattacks start with email, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). That’s not because security teams lack tools, but ...

AI-to-AI Communication and Secret AI Code Must Be Stopped At All Costs

As I wrote in my recent book, How AI and Quantum Impacts Cyber Threats and Defenses, as we humans use AI more and more, AI will begin to communicate with itself using new AI-only ...

What Is OSINT?

OSINT stands for open-source intelligence. It is the collection, analysis, and dissemination of information from publicly available sources, such as social media, government reports, ...

Data Loss Prevention (DLP): What It Is, Types, and Solutions

Most data breaches don’t happen because systems fail. They happen because people make routine errors.