😈 Malicious use of OAuth applications. • Network Response Analysis; • Endpoint Shapes Discovery; - Common Shapes in OAuth 2.0; - Application-Specific Shapes; • OAuth 2.0 Vulnerabilities; - Open Redirects and Token Theft; - URL-Parameter-Based Open Redirect; - Referer-Based Open Redirect; - Exploiting Redirect Chains; - Long-Lived Tokens; - Insecure Redirects; - Case 1: Attack with URL Parameter; - Prevention: Method 1 - Use White-Listed Domain; - Lack of State Check in OAuth; - Case 1: Attack with State Parameter; - Prevention: Method 1 - Use State Randomize Parameter; • Creating Malicious OAuth Applications; • OAuth Security Checklist; • AUTHENTICATOR Pattern. #OAuth #devsecops