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 18, 2026 KnowBe4 Team

Shipping-Themed Phishing Scams Target the Middle East and Africa

A surge in shipping-related phishing scams is targeting the Middle East and Africa (MEA) region, according to researchers at Group-IB.

March 16, 2026 James Dyer

Creating Noise: The Emerging Obfuscation Technique Designed to Evade Email Security NLP Detection Capabilities

Our Threat Intelligence team has observed an emerging obfuscation technique, specifically used to make Natural Language Processing (NLP) detection capabilities less effective. Broadly, ...

March 12, 2026 KnowBe4 Team

FBI: Phishing Attacks Are Impersonating City and County Officials

The US Federal Bureau of Investigation (FBI) has issued an advisory warning of a phishing campaign that’s impersonating city and county officials to send phony requests for permit fees.

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 Roger Grimes

Fake Calendar Invitations Move to Microsoft Outlook

Fake calendar invites have been a problem on Gmail for years. Even though they could appear on other calendar services, I hadn’t seen or read about a lot of it. Gmail had been taking the ...

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

Phishing on Messaging Apps: How Attackers Use WhatsApp, Teams, Slack, and SMS

Messaging platforms are now a major vector for phishing and other social engineering attacks, according to a new report from NCC Group’s Fox-IT.

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 ...

March 4, 2026 KnowBe4 Team

Phishing Simulation: How It Works to Reduce Risk

Phishing isn’t just increasing. It’s outpacing the way many organizations test for it. Attacks have surged 400% year over year, and corporate users are now more likely to be targeted by ...

KnowBe4 Blog

Phishing

View Topics