THREAT FEED
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New Ransomware Variant Targeting Remote Workers Malware 2026-03-04
Unit 42 researchers identified PhantomLock, a new ransomware variant specifically designed to target remote workers. It spreads through malicious Slack messages and Zoom meeting links, encrypting local files and cloud-synced folders. Demands cryptocurrency payment within 48 hours.
SEPTA Transit System Ransomware Attack Malware 2026-02-26
Philadelphia's SEPTA transit authority hit by ransomware attack affecting payment systems and real-time tracking. Customer payment card data from the past 6 months may be compromised. Riders advised to monitor credit card statements.
Gmail Attachment Malware Distribution Malware 2026-02-25
Increase in malware distribution via Gmail attachments disguised as shipping notifications and invoice documents. Payloads include information-stealing trojans targeting browser-stored credentials and cryptocurrency wallets.
USB Drop Attacks at Coworking Spaces Malware 2026-02-21
Reports of USB drives left at Bay Area coworking spaces containing auto-executing malware. Malware targets Slack tokens and Zoom session cookies, enabling persistent access to corporate communications.