








Rule Name & Severity | Last Updated | Author | Types, Tactics & Capabilities | |
|---|---|---|---|---|
Brand impersonation: File sharing notification with template artifacts | 16m ago Jan 23rd, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-file-sharing-notification-with-template-artifacts-37d89611 | |
Brand impersonation: Dropbox | 1d ago Jan 22nd, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-dropbox-61f11d12 | |
Brand impersonation: AuthentiSign | 2d ago Jan 21st, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-authentisign-445a8c8b | |
Brand impersonation: Blockchain[.]com | 2d ago Jan 21st, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-blockchaincom-0d85e555 | |
Attachment: Invoice and W-9 PDFs with suspicious creators | 2d ago Jan 21st, 2026 | Sublime Security | /feeds/core/detection-rules/attachment-invoice-and-w-9-pdfs-with-suspicious-creators-305d6e32 | |
Brand impersonation: Fake Fax | 2d ago Jan 21st, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-fake-fax-2a96b90a | |
Brand impersonation: USPS | 3d ago Jan 20th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-usps-28b9130a | |
Brand impersonation: Xodo Sign | 7d ago Jan 16th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-xodo-sign-e6139052 | |
Brand impersonation: Quickbooks | 8d ago Jan 15th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-quickbooks-4fd791d1 | |
Spam: Commonly observed formatting of unauthorized free giveaways | 9d ago Jan 14th, 2026 | Sublime Security | /feeds/core/detection-rules/spam-commonly-observed-formatting-of-unauthorized-free-giveaways-8bc49fa3 | |
Subject: Suspicious bracketed reference | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/subject-suspicious-bracketed-reference-663dbce4 | |
Brand impersonation: SendGrid | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-sendgrid-d800124f | |
Callback phishing via DocuSign comment | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/callback-phishing-via-docusign-comment-48aec918 | |
SharePoint OTP for filename matching org name | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/sharepoint-otp-for-filename-matching-org-name-89911cbd | |
Deceptive Dropbox mention | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/deceptive-dropbox-mention-58a107bc | |
Brand Impersonation: ShareFile | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-sharefile-f8330307 | |
Brand impersonation: United Healthcare | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-united-healthcare-f8dfff1a | |
Brand impersonation: Microsoft with low reputation links | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-microsoft-with-low-reputation-links-b59201b6 | |
Brand impersonation: Sharepoint fake file share | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-sharepoint-fake-file-share-ff8b296b | |
Brand impersonation: Punchbowl | 11d ago Jan 12th, 2026 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-punchbowl-58937ba0 |