Markup and number representation
Escaping, sanitization, markup safety and binary number representation.
Published resources2
Tools0
Guides2
Guides
Guides connected to this category.
Escaping vs sanitization: HTML contexts and XSS prevention
Why contextual escaping and sanitization solve different problems and how to prevent untrusted input from becoming active markup.
Bits, bytes, nibbles, fixed-width integers and two's complement
How computers represent bits and signed integers, and why width and interpretation change the observed value.