Listen to this Post
A system update glitch at Arvest Bank allowed customers to view each other’s accounts, exposing sensitive details such as:
– First and last names
– Account numbers
– Account balances
– Transaction history
Over 7,500 individuals were affected, raising concerns about phishing attacks, fraud, and identity theft. The bank disabled some online banking functions temporarily and offered credit monitoring to impacted users.
You Should Know: Preventing & Detecting Similar Glitches
1. Secure Code Deployment
- Automated Testing: Use CI/CD pipelines with security scanning (e.g., SonarQube, Snyk).
- Code Review: Enforce peer reviews before deployment.
- Rollback Plan: Ensure quick rollback if an update fails.
Example Command (Git Rollback):
git revert <commit-hash>
2. Access Control & Session Management
- Implement strict session isolation in web apps.
- Use UUIDs instead of sequential IDs to prevent IDOR (Insecure Direct Object Reference) attacks.
Example (Linux Log Check for Suspicious Sessions):
grep "session_id" /var/log/auth.log
3. Database & API Security
- Encrypt sensitive data (e.g., AES-256).
- Apply rate-limiting to APIs to prevent brute-force attacks.
Example (Encrypting Data with OpenSSL):
echo "SensitiveData" | openssl enc -aes-256-cbc -salt -pass pass:YourSecurePassword
4. Monitoring & Incident Response
- Log all access attempts to financial databases.
- Set up real-time alerts for unusual account views.
Example (Monitor Logs in Real-Time):
tail -f /var/log/nginx/access.log | grep "GET /account"
5. Windows Security Checks
- Audit file permissions to prevent unauthorized access.
Example (Check File Permissions in PowerShell):
Get-Acl -Path "C:\BankData" | Format-List
What Undercode Say
This incident highlights poor update validation and inadequate access controls. Financial institutions must:
– Test updates in staging environments first.
– Use multi-factor authentication (MFA).
– Conduct regular penetration tests.
Expected Output:
- Secure banking systems with zero trust principles.
- Automated security checks before deployment.
- Immediate incident response plans for data leaks.
Prediction
Future banking breaches will increasingly stem from misconfigured cloud updates and API vulnerabilities, pushing stricter regulatory penalties for poor security practices.
References:
Reported By: Michael Tchuindjang – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
