Platform-as-a-Proxy (PaaP) SaaS notification abuse — phishing content (toll-free callback, unauthorized charge, wire-transfer instructions) injected into a user-controlled field of a legitimate SaaS notification (GitHub commit description, Jira invite, Amazon Business invite, Google Calendar event). Email passes SPF/DKIM/DMARC/ARC because the platform itself is the sender. Talos Apr 2026: ~2.89% of GitHub notification email was malicious on a single day; one tracked campaign hit 20,049 orgs
saas-platform-notification-invite-abuse-paap
What this tier means
High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.
How Gorganizer detects this
Platform-as-a-Proxy (PaaP) abuse: phishing content is injected into a user-controlled text field of a genuine SaaS notification — a GitHub commit description, a Jira "Invite Customers" welcome message, an Amazon Business invite's display name, a Google Calendar event description, a Trello/Notion/Slack/Asana notification. Because the email is truly sent by the platform, it passes SPF, DKIM, DMARC, and ARC; mail filters and users both see the trusted "noreply@github.com" sender and drop their guard. Cisco Talos (April 2026) tracked ~2.89% of all GitHub notification email on a single day as malicious; one campaign hit 20,049 organizations. The content pattern is stable: a toll-free callback number, a fake "you've been charged $NNN" claim or unauthorized-subscription CTA, occasionally padded with whitespace, dots, or ALL-CAPS headers to evade eyeballs. Legitimate GitHub/Jira/Amazon-Business messages do not ask you to call a 1-800 number to dispute a charge — that pattern belongs to the scammer, not the platform.
False-positive guard
Every signal in Gorganizer feeds a multi-module score — never a sole verdict. This is a threat-tier signal — it adds a strong contribution to the trash score. The full pipeline still requires convergence across multiple modules + a margin over the safety floor before deletion happens, and Gmail's trash (30-day recovery) is always used — never permanent delete.
About the scoring engine
Gorganizer's scoring engine emits over 1,800 signals across six modules — headers, sender, subject, body, attachments, and structural metadata. Every email is scored by every module independently; the final verdict requires multiple modules to agree and the trash score to beat the safety floor by a margin.
Sacred safety guards — never delete starred emails, replies, calendar invites, receipts/invoices, or attachments — apply unconditionally regardless of any signal.
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