Security
Threats
- XSS
 - XSRF
 - Injection (e.g. SQL-Injection)
 - Attacks on Session / Cookies/ SessionIDs
 - Path Climbing
 - Session Hijacking
 - Hidden Field Manipulation
 
Links
- PHP security manual
 - http://www.modsecurity.org
 - Top 25 Most Dangerous Programming Errors
 - Web Application Exploits and Defenses
 - OWASP Testing Guide
 - threat risk modelling
 - https://openssf.org/resources/guides/
 - https://cheatsheetseries.owasp.org/index.html
 
Security - Agenda
- Variable injection
 - SQL injection
 - Input filtering
 - Output escaping
 - Security by obscurity
 - Fix the rights
 - Configuration
 - Cookies and Sessions
 - Information Gathering
 - Threat Modelling
 
Add related functions to sections
-  HTML (echo or print)
-  http://php.net/manual/function.htmlspecialchars.php
 
 
Input filtering-  https://www.php.net/manual/en/function.strip-tags.php
 
-  https://www.php.net/manual/en/function.trim.php
 
Data Filtering-  https://www.php.net/manual/de/[...]filters.sanitize.php
 
SQL