Outbound Email Security: Protecting Data and Reputation

Email security often focuses on incoming threats such as phishing, malware, and malicious links, but outbound email security is just as important. According to KnowBe4’s 2025 State of ...

March 26, 2026 KnowBe4 Team

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 ...

March 23, 2026 KnowBe4 Team

The ‘Urgency Trap’: Why Time Pressure is Your Biggest Email Red Flag

The old rules for spotting a phishing email are changing. Remember looking for bad grammar and clumsy spelling? Thanks to AI, hackers' emails are increasingly polished and hard to spot. ...

March 14, 2026 KnowBe4 Team

Received Someone Else’s Confidential Email? Here’s What To Do.

When we think about misdirected email, we often put ourselves in the shoes of the sender. After all, nobody wants to tell their manager that they might (however accidentally) be ...

March 12, 2026 KnowBe4 Team

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. ...

March 9, 2026 KnowBe4 Team

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 ...

March 7, 2026 James Dyer

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, ...

March 6, 2026 KnowBe4 Team

What Tools Do Hackers Use to Weaponize Emails?

Email attacks have become one of the key ways for hackers to target organizations and individuals. The sheer number of tools available has made it easier than ever for non-technical ...

March 5, 2026 KnowBe4 Team

Email Security: What It Is, How It Works, and Best Protection Methods

Email-based threats are evolving faster than traditional solutions can keep up. According to Verizon’s 2025 Data Breach Investigations Report, the use of synthetically generated text in ...

March 5, 2026 KnowBe4 Team

Spear Phishing Attacks: Top 7 Signs to Watch For

Spear phishing is on the rise in the US and is quickly becoming the biggest cybersecurity threat for businesses. With more sophisticated, human-like emails and a greater reliance on email ...

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