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What Is an API? | API Security Explained | API Security Best Practices | Simplilearn
What is an API?
What is an API?
Different Software Systems
Why is API Security Important?
Facebook-Cambridge Analytica Scandal
Common API Security Threats
Injection Attacks
An attacker inserts malicious code into an API request
'; DROP TABLE users; --
Common API Security Threats
Broken Authentication
If an API uses predictable tokens, hackers can guess them and
gain unauthorized access
Common API Security Threats
Sensitive Data Exposure
If your API sends data without proper encryption, anyone who
intercepts it can see the data
Common API Security Threats
Rate Limiting and DDoS Attacks
Attackers flood your API with so many requests that it crashes or
becomes unresponsive
Common API Security Threats
Man-in-the-Middle Attacks
Attackers create fake APIs to trick users into providing sensitive data
Common API Security Threats
API Spoofing
If an attacker intercepts the communication between your API and the
client, they can read or modify the
data being transmitted
Best Practices for Securing APIs
Authentication and Authorization
Think of OAuth 2.0 as a special access pass that only authorized users can
get
It ensures that only users with the right pass can access the data
OpenID Connect adds an extra layer by verifying the user’s identity
Comparing API keys to basic passwords, tokens are more secure
Best Practices for Securing APIs
Encryption
Always use HTTPS, which is like sending locked packages that only the
recipient can open
Encrypt sensitive data at rest, just like storing valuables in a safe, to protect it
from unauthorized access
Best Practices for Securing APIs
Input Validation
Always clean user inputs to prevent malicious data from sneaking in
If a user enters a script tag <script>, sanitize it to prevent XSS (Cross-Site
Scripting) attacks
Best Practices for Securing APIs
Rate Limiting and Throttling
It’s like setting a limit on how many times someone can knock on your door
Tools like Cloudflare can help filter out malicious traffic and keep your API
running smoothly, protecting against DDoS attacks
Best Practices for Securing APIs
Logging and Monitoring
Keep a record of all API requests to spot unusual activity. It’s like having a
CCTV camera to monitor who’s coming and going
Tools like Prometheus and Grafana can help you monitor API health and alert
you to potential issues
Best Practices for Securing APIs
API Gateway and Security
Keep a record of all API requests to spot unusual activity. It’s like having a
CCTV camera to monitor who’s coming and going
Tools like Prometheus and Grafana can help you monitor API health and alert
you to potential issues
Tools and Technologies
OWASP ZAP
Postman Burp Suite
API Management Platforms
AWS API Gateway
Apigee Azure API Management
What is an API?
Convenient Connectivity
IoT Integration
Health and Fitness
Automotive Industry
Types of Bluetooth Vulnerabilities
BlueBorne
This vulnerability allows attackers to take control of
Bluetooth-enabled devices without the need for pairing or
user interaction
It can enable remote code execution, data theft, and the
spread of malware across devices

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What Is an API? | API Security Explained | API Security Best Practices | Simplilearn

  • 2. What is an API?
  • 3. What is an API? Different Software Systems
  • 4. Why is API Security Important? Facebook-Cambridge Analytica Scandal
  • 5. Common API Security Threats Injection Attacks An attacker inserts malicious code into an API request '; DROP TABLE users; --
  • 6. Common API Security Threats Broken Authentication If an API uses predictable tokens, hackers can guess them and gain unauthorized access
  • 7. Common API Security Threats Sensitive Data Exposure If your API sends data without proper encryption, anyone who intercepts it can see the data
  • 8. Common API Security Threats Rate Limiting and DDoS Attacks Attackers flood your API with so many requests that it crashes or becomes unresponsive
  • 9. Common API Security Threats Man-in-the-Middle Attacks Attackers create fake APIs to trick users into providing sensitive data
  • 10. Common API Security Threats API Spoofing If an attacker intercepts the communication between your API and the client, they can read or modify the data being transmitted
  • 11. Best Practices for Securing APIs Authentication and Authorization Think of OAuth 2.0 as a special access pass that only authorized users can get It ensures that only users with the right pass can access the data OpenID Connect adds an extra layer by verifying the user’s identity Comparing API keys to basic passwords, tokens are more secure
  • 12. Best Practices for Securing APIs Encryption Always use HTTPS, which is like sending locked packages that only the recipient can open Encrypt sensitive data at rest, just like storing valuables in a safe, to protect it from unauthorized access
  • 13. Best Practices for Securing APIs Input Validation Always clean user inputs to prevent malicious data from sneaking in If a user enters a script tag <script>, sanitize it to prevent XSS (Cross-Site Scripting) attacks
  • 14. Best Practices for Securing APIs Rate Limiting and Throttling It’s like setting a limit on how many times someone can knock on your door Tools like Cloudflare can help filter out malicious traffic and keep your API running smoothly, protecting against DDoS attacks
  • 15. Best Practices for Securing APIs Logging and Monitoring Keep a record of all API requests to spot unusual activity. It’s like having a CCTV camera to monitor who’s coming and going Tools like Prometheus and Grafana can help you monitor API health and alert you to potential issues
  • 16. Best Practices for Securing APIs API Gateway and Security Keep a record of all API requests to spot unusual activity. It’s like having a CCTV camera to monitor who’s coming and going Tools like Prometheus and Grafana can help you monitor API health and alert you to potential issues
  • 17. Tools and Technologies OWASP ZAP Postman Burp Suite
  • 18. API Management Platforms AWS API Gateway Apigee Azure API Management
  • 19. What is an API? Convenient Connectivity IoT Integration Health and Fitness Automotive Industry
  • 20. Types of Bluetooth Vulnerabilities BlueBorne This vulnerability allows attackers to take control of Bluetooth-enabled devices without the need for pairing or user interaction It can enable remote code execution, data theft, and the spread of malware across devices