Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

knowbe4

[Heads Up] Crafty New Phishing Attacks Abuse Free Cloudflare Pages

Dec 15, 2025 By KnowBe4 Team In KnowBe4
Malwarebytes warns that threat actors are abusing the free Cloudflare Pages service to host phishing portals, helping the phishing sites avoid detection by security scanners. The attackers are building fake login pages impersonating banking, insurance, and healthcare entities. The pages are designed to harvest credentials as well as security questions and multifactor authentication codes.
Read Post
safeaeon

How to Avoid Phishing Attacks: A Complete Guide for Users and IT Teams

Dec 11, 2025 By SafeAeon Inc. In SafeAeon
Phishing remains one of the most common cyber threats, affecting users across industries and regions. It targets human behavior rather than technology, which makes it more effective than many other attack methods. Now, attackers are using advanced tools, like AI, to make phishing more effective. To know how to avoid phishing attacks, you must understand how they work and the different forms they take.
Read Post
sentrium

Enumerating Users and Mailboxes in Microsoft Outlook 365 Web

Dec 11, 2025 By James Drew In Sentrium
During our research into Microsoft 365 security, we discovered a flaw in Outlook on the web (OWA) that exposed information about users and their mailboxes. By manipulating certain request headers against the “/owa/service.svc” endpoint, an attacker could not only confirm whether a user account existed, but also determine if that account had a mailbox associated with it.
Read Post
The Security Blind Spots Most Operators Miss - According to Igor Finkelshtein

The Security Blind Spots Most Operators Miss - According to Igor Finkelshtein

Dec 11, 2025 By SecuritySenses In SecuritySenses
In the cybersecurity world, it's easy to focus on the latest breach or high-profile vulnerability. But according to multi-industry operator Igor Finkelshtein, most security incidents don't begin with sophisticated attacks - they begin with overlooked operational weaknesses. From transportation to real estate to SaaS platforms, Finkelshtein's experience shows that cybersecurity is ultimately an operational discipline. The vulnerabilities that quietly accumulate inside a business often pose a greater risk than anything happening outside it.
Read Post
knowbe4

Report: Phishing Has Surged 400% Year-Over-Year

Dec 10, 2025 By KnowBe4 Team In KnowBe4
Researchers at SpyCloud have observed a 400% year-over-year increase in successful phishing attacks, with a disproportionate number of attacks targeting corporate accounts. “The company tracked a 400% year-over-year increase in successfully phished identities, with nearly 40% of the 28+ million recaptured phished records containing a business email address – compared to just 11.5% in recaptured malware data,” the researchers write.
Read Post
knowbe4

Warning: Phishing Campaign Leveraging Evilginx Targets U.S. Universities

Dec 9, 2025 By KnowBe4 Team In KnowBe4
Threat actors are using the open-source phishing framework Evilginx to target universities across the United States, according to researchers at Infoblox. The attackers have targeted at least 18 universities and educational entities since April 2025, using phishing pages that spoofed student single sign-on (SSO) portals. “In the campaigns we analyzed, students were targeted via personalized emails that contained TinyURL links,” Infoblox says.
Read Post
knowbe4

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

Dec 4, 2025 By KnowBe4 Threat Lab In KnowBe4
Since November 3, 2025, KnowBe4 Threat Labs has been monitoring a highly sophisticated, multi-stage phishing operation that is actively targeting organizations to steal employees’ Microsoft 365 credentials. The campaign has been engineered to bypass traditional email security defenses, such as secure email gateways (SEGs), and multi-factor authentication (MFA) tools.
Read Post
knowbe4

Phishing Campaign Uses Fake Party Invites to Deliver Remote Access Tools

Nov 28, 2025 By KnowBe4 Team In KnowBe4
A large phishing campaign is using phony seasonal party invites to trick users into installing remote management and monitoring (RMM) tools, according to researchers at Symantec. “A highly active threat actor that specializes in using the ScreenConnect remote management and monitoring (RMM) software in its attacks has changed tactics and is now infecting its victims with multiple RMM tools, including LogMeIn Resolve and Naverisk,” Symantec says.
Read Post

Copyright © 2026 OpsMatters™. All rights reserved.