OWASP Top 10 Best Practices

A1: Injection

Injection flaws, such as SQL, NoSQL, Command Injection, etc., occur when untrusted data is sent to an interpreter as part of a command or query.

const query = 'SELECT * FROM users WHERE id = ?';
db.query(query, [userId], (err, results) => {
  // Handle results
});

A2: Broken Authentication

Authentication and session management are often implemented incorrectly, allowing attackers to compromise passwords, keys, or session tokens.

A3: Sensitive Data Exposure

Sensitive data should be encrypted in transit and at rest to protect it from unauthorized access.

A4: XML External Entities (XXE)

XXE vulnerabilities allow attackers to interfere with the processing of XML data.

A5: Broken Access Control

Access control restrictions are often not properly enforced, allowing users to act outside of their intended permissions.

A6: Security Misconfiguration

Security misconfiguration is the most common issue in security and can happen at any level of an application stack.

A7: Cross-Site Scripting (XSS)

XSS vulnerabilities allow attackers to inject client-side scripts into web pages viewed by other users.

A8: Insecure Deserialization

Insecure deserialization can lead to remote code execution and other attacks.

A9: Using Components with Known Vulnerabilities

Using libraries and frameworks with known vulnerabilities can expose your application to attacks.

A10: Insufficient Logging & Monitoring

Insufficient logging and monitoring can allow attackers to exploit an application without detection.