Also, protection against different kinds of attacks. For example, we can consider SHA3 more secure than SHA2, because it's not vulnerable length extension attac

Also, protection against different kinds of attacks. For example, we can consider SHA3 more secure than SHA2, because it's not vulnerable length extension attack. Likewise, a system which protects against passive attacks is secure against passive attacks, but the system which protects against passive and active attacks is more secure than it.