Hidden in Plain Sight: Pixels, Calendars & Overprivileged Connectors

Session Hijacks Are Happening via Pixel-Based Trackers

Malicious pixels embedded in email or shared documents are capturing session tokens and auth headers when previewed in browser environments.

Block third-party pixel loads by default. Use token binding and inspect referrers from document previews and link expansions.

Chrome Extensions Are Masquerading as Corporate Utilities

Threat actors are cloning internal browser extensions and uploading them publicly—with nearly identical branding—to intercept credentials and autofill content.

Whitelist internal extension IDs. Alert on rogue installs and review permissions of all active extensions by team.

SaaS Connectors Are Granting More Than They Disclose

Many integrations request "read-only" access but grant update or admin rights once connected—especially in CRM, finance, and scheduling platforms.

Audit OAuth scopes regularly. Use gateway platforms (e.g., DoControl, AppOmni) to enforce least privilege on third-party access.

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Shared Google Calendars Are Still Indexed Publicly

Team-wide or project calendars are still being indexed by Google due to misconfigured share settings—revealing internal event names, Zoom links, and meeting metadata.

Set calendar sharing to org-internal by default. Run discovery scans for public calendars linked to company domains.

Subdomain Reuse Is Enabling Data Poisoning

Reused subdomains on decommissioned platforms (e.g., blog.yourcompany.com) are being re-registered to host phishing pages or intercept OAuth redirects.

Run subdomain lifecycle audits quarterly. Use DNS and certificate transparency logs to detect reactivation attempts.

Incident Retrospectives Are Being Stored Without Access Controls

Post-mortem docs often contain raw breach data, names, and internal failures—yet are left in open folders or shared drives.

Treat retros like breach data. Require security group access, add watermarks, and log all viewers of post-incident documentation.

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