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- “SaaS Supply Chains: Hidden Risks in Integrations”
“SaaS Supply Chains: Hidden Risks in Integrations”
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Third-Party SaaS Apps Request Excessive Permissions by Default
Integrations often ask for full read/write access to emails, calendars, or files. Most users approve without reviewing scopes. This overreach opens doors for data leaks if the vendor is compromised.
Orphaned OAuth Tokens Persist After Employee Offboarding
When employees leave, their connected SaaS tools often remain authorized. These tokens continue to receive data or perform actions silently. Few companies audit or revoke OAuth tokens consistently.
API Gateways Don’t Enforce Least Privilege by Design
APIs backing SaaS platforms grant wide access without granular control. Gateways often lack per-user or per-function rate limits. One compromised token can access entire datasets.
Cross-Tenant Access Bugs Appear in Multi-Tenant SaaS
Some misconfigured platforms allow one tenant to view or edit another’s data. These issues often go undetected until a breach occurs. Attackers actively probe for these flaws to escalate access.
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Webhooks and Secrets Leak in Logs or Dashboards
Webhook URLs often contain embedded secrets or tokens for verification. These links are sometimes exposed in log files or debug consoles. Attackers use them to hijack data flows or trigger fake events.
Compromised SaaS Apps Are Used for Lateral Movement
A single exploited plugin or app can be the pivot into more systems. Attackers use trusted connections to spread silently. Supply chain access is now a core attack surface, not just a risk.
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