Recent cybersecurity findings highlight a surge in malicious activity across platforms. Eight Firefox extensions posing as popular games have been caught stealing OAuth tokens and redirecting users to scam sites, linked to a long-active threat actor, mre1903. Massive Android ad fraud operations like IconAds leveraged 352 hidden-icon apps to serve intrusive ads, generating 1.2 billion daily bid requests before removal from the Play Store. Meanwhile, ransomware threats are escalating rapidly—Optiv reports a 213% increase in Q1 2025 compared to Q1 2024, with 2,314 victims listed across 74 data leak sites. Continue reading for more cybersecurity news.