Monthly Archives: May 2017

Clickjacking attack

By | May 5, 2017

Clickjacking  also called “UI redress attacks,” is an attack where victim user is tricked click on some link when he intends to click something else. This is done by placing an invisible link/button on top of another visible link/button. Many sites, including Twitter, Facebook, Paypal and other sites were hacked using clickjacking. They are all fixed… Read More »

Hash, Mac and Digital Signature

By | May 2, 2017

Many times there are confusion between hash, mac and digital signature on when and where to use and what purpose are solved using these. Integrity: Means data should not be changed in transit, either accidently or intentionally by an attacker. Authentication: Can the recipient be confident that the message originates from the sender? Non-repudiation: Means sender cannot deny… Read More »