Ryan Kalember

May 5, 2021

Malicious Office 365 Apps Are the Ultimate Insiders

This post was originally published on this sitePhishers targeting Microsoft Office 365 users increasingly are turning to specialized links that take users to their organization’s own email login page. After a user logs in, the link prompts them to install a malicious but innocuously-named app that gives the attacker persistent, password-free access to any of the user’s emails and files, both of which are then plundered to launch malware and phishing scams against others. These attacks begin with an emailed link that when clicked loads not a phishing site but the user’s actual Office 365 login page — whether that […]
March 28, 2024

Thread Hijacking: Phishes That Prey on Your Curiosity

This post was originally published on this siteThread hijacking attacks. They happen when someone you know has their email account compromised, and you are suddenly dropped into an existing conversation between the sender and someone else. These missives draw on the recipient’s natural curiosity about being copied on a private discussion, which is modified to include a malicious link or attachment. Here’s the story of a recent thread hijacking attack in which a journalist was copied on a phishing email from the unwilling subject of a recent scoop. In Sept. 2023, the Pennsylvania news outlet LancasterOnline.com published a story about […]