Microsoft Removes 119 Edge Extensions That Hid Malware in Images and Fonts

Executive Briefing

• Removed 119 malicious 'StegoAd' extensions from the Microsoft Edge Add-ons store
• Concealed malware payloads inside image and font files using steganography techniques
• Stole user credentials and conducted ad fraud through hidden malicious code
• Highlights growing risk of steganography-based attacks bypassing traditional security scans