A rapidly escalating security threat has emerged for organizations relying on Microsoft 365, as hackers have devised sophisticated phishing campaigns that can bypass even two-factor authentication (2FA) protections. Since the beginning of 2025, attackers have compromised nearly 3,000 accounts...
Well, lock up the cookies and hide your milk, because there’s a new heist in town—and it’s got a taste for your MFA-protected Microsoft sessions. Security researchers from Varonis have just dropped a proof-of-concept that makes today’s browser extension landscape about as trustworthy as a used...
If you run a major chunk of your business on Microsoft 365, you might want to put that celebratory “we passed another compliance audit” cake back in the fridge, at least until you hear about the latest episode of Authentication Drama Theatre: the “Cookie Bite” attack. This newly publicized trick...
A New Phishing Frontier: Tycoon2FA Evolving to Outsmart Microsoft 365 Security
Phishing attacks are evolving, and the latest twist comes from the Tycoon2FA phishing kit. Designed as a Phishing-as-a-service (PhaaS) platform, Tycoon2FA is notorious for bypassing multi-factor authentication (MFA)...
IDG News Service - Web mail users at Yahoo and Hotmail have been hit with the same kind of targeted attacks that were disclosed earlier this week by Google, according to security software vendor Trend Micro.
Trend Micro described two similar attacks against Yahoo Mail and Windows Live Hotmail...
In computer science, session hijacking is the exploitation of a valid computer session (commonly known as a "session key") used to gain unauthorized access to information or services in a computer system.
For example, when a user logs in to a web site, the user's PC is tagged with a session...