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KnowBe4 Threat Lab

KnowBe4 Threat Lab

KnowBe4 Threat Lab is a research and analysis endeavor by seasoned cybersecurity professionals that discovers and investigates the latest phishing techniques and develops strategies to preemptively combat these threats. KnowBe4 Threat Lab specializes in researching and mitigating email threats and phishing attacks, using a combination of expert analysis and crowdsourced intelligence.


Recent Posts

The Ghost in the Machine: How a Multi-Stage Phishing Campaign Evades Security to Steal Microsoft 365 Credentials

Lead Analysts: Jeewan Singh Jalal, Prabhakaran Ravichandhiran and Anand Bodke Since November 3, 2025, KnowBe4 Threat Labs has been monitoring a highly sophisticated, multi-stage phishing ...

What Happens When Cybercriminals Compromise a Sportswear Giant?

Lead analysts: Louis Tiley, Lucy Gee and James Dyer Between 1:48pm ET on October 29 and 6:53pm ET on October 30, 2025, KnowBe4 threat analysts observed a high volume of phishing emails ...

Quantum Route Redirect: Anonymous Tool Streamlining Global Phishing Attack

Lead Analysts: Jeewan Singh Jalal, Prabhakaran Ravichandhiran and Anand Bodke KnowBe4 Threat Labs has uncovered an emerging advanced phishing campaign targeting Microsoft 365 users ...

When a “Contact Us” Form Becomes “Contact a Cybercriminal”

Lead Analysts: Lucy Gee and James Dyer Cybercriminals want their payday. Unfortunately for the targets of phishing (and the organizations they work for) that means they’re constantly ...

The Technical Sophistication Behind the "Free" Gift Scam: Evading Detection

Below is an example of a sophisticated survey scam phishing email that KnowBe4’s Threat Lab team has been monitoring as discussed in “The Hidden Cost of "Free" Gifts: How Survey Scams Are ...

The Hidden Cost of "Free" Gifts: How Survey Scams Are Evolving to Steal Financial Data

You've probably seen them: enticing online offers for free products from brands you trust, like a Yeti beach chair from Costco or an emergency car kit from AAA.

The Attacker’s Playbook: A Technical Analysis of Quishing and Encrypted SVG Payloads Used in HR Impersonation Phishing Attacks

In this series, we first explored the psychology that makes HR phishing so effective, then showcased the real-world lures attackers use to trick your employees. Now, we’re going under the ...

That ‘Urgent Payroll Update’ Email is a Trap: A Look at the Latest HR Phishing Tactics

Phishing attacks impersonating HR are on the rise. Between January 1 – March 31, 2025, our Threat Lab team observed a 120%surge in these attacks reported via our PhishER product versus ...

From Human Resources to Human Risk: Why HR is the Perfect Department for Cybercriminals to Impersonate

We all trust HR - or at least we do when we think they’re emailing us! Data from KnowBe4’s HRM+ platform reveals that phishing simulations with internal subject lines dominate the list of ...

Phishing Deep Dive: EU-Affiliated Survey Platform Exploited in Sophisticated Credential Harvesting Campaign

Lead Researchers: James Dyer and Louis Tiley Between May 5 and May 7, 2025, KnowBe4 Threat Lab identified a phishing campaign originating from accounts created on the legitimate service ...

Capital One Customers Targeted By Credential Harvesting Phishing Campaign

The KnowBe4 Threat Lab has identified an active phishing campaign impersonating Capital One.

Threat Actors Are Using AI-Generated Audio to Impersonate U.S. Officials

The FBI is warning that threat actors are impersonating senior US officials in phishing attacks designed to compromise users’ accounts.

Impersonating Meta, Powered by AppSheet: A Rising Phishing Campaign Exploits Trusted Platforms to Evade Detection

Since March 2025, the KnowBe4 Threat Labs team has observed a surge in phishing attacks that exploit Google’s AppSheet platform to launch a highly targeted, sophisticated campaign ...

Cybercriminals Use Telegram Bots to Exfiltrate Data In Phishing Kit Campaign

KnowBe4 ThreatLabs has identified and analyzed a sophisticated cross-platform phishing campaign that utilizes Telegram as its primary exfiltration channel. The campaign uses a combination ...

The Continued Abuse of Legitimate Domains: A Spike in the Exploitation of Google Drive to Send Phishing Attacks

First QuickBooks, then Microsoft, and now Google—will the hijacking of legitimate third-party platform communications stop escalating in 2025? Our Threat Labs researchers predict the ...

Beware the Tax Trap: Seasonal Urgency Drives a Spike in Tax-Related Phishing Scams

Cybercriminals are quick to exploit seasonal events — and tax season is no exception. It’s a yearly honeypot for cybercriminals, who take advantage of heightened stress, tight deadlines, ...

Surge in Phishing Attacks Hijacking Legitimate Microsoft Communications

A KnowBe4 Threat Lab Publication Authors: By James Dyer, Threat Intelligence Lead at KnowBe4 and Lucy Gee, Cybersecurity Threat Researcher at KnowBe4 On March 3, 2025, the KnowBe4 Threat ...

98% Spike in Phishing Campaigns Leveraging Russian (.ru) Domains

A KnowBe4 Threat Lab publication Authors: Martin Kraemer, Jeewan Singh Jalal, Anand Bodke, and James Dyer EXECUTIVE SUMMARY: We observed a 98% rise in phishing campaigns hosted on Russian ...

245% Increase in SVG Files Used to Obfuscate Phishing Payloads

A KnowBe4 Threat Labs Publication Authors: James Dyer and Cameron Sweeney The KnowBe4 Threat Research team has observed a sustained increase in the use of Scalable Vector Graphics (SVG) ...

Invoice or Impersonation? 36.5% Spike in Phishing Attacks Leveraging QuickBooks’ Legitimate Domain in 2025

A KnowBe4 Threat Lab Publication Authors: Martin Kraemer, James Dyer, and Lucy Gee Much like sending a phishing email from a compromised account, cybercriminals can boost the ...


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