7. Insecure Deserialization

7. Insecure Deserialization: Insecure Deserialization is like disassembling a Lego robot into a shipping box (Serialization) and someone opening the box in transit to swap the gu

Insecure Deserialization is like disassembling a Lego robot into a shipping box (Serialization) and someone opening the box in transit to swap the guide steps, forcing the builder to construct a self-destruct device (Deserialization).

2 Analogies: Insecure Deserialization

The Enchanted IKEA Furniture

2 Reasonings: Why Deserialization Fails

Rebuilding Objects Blindly

Trusting Untrusted Byte Streams

2 LEGO Analogies: Safe Object Assembly

What is serialization?

Backing up a database

Converting an active object's state into a byte stream for storage or transmission

Beautifying HTML with CSS

Writing passwords to database tables

Serialization packs an object into bytes. Deserialization is the reverse — reconstructing live objects from a byte stream.

What is the safest defense against insecure deserialization?