New sections dedicated to Cloud Security, Biometrics, and IEEE 802.11 Security.

is not just a book; it is a rite of passage for security engineers in the Indian subcontinent. It transforms a novice who thinks "password is encryption" into a professional who understands the beauty of the RSA algorithm and the necessity of the TLS handshake.

The latest 4th edition (2019) has been updated to reflect the evolving digital landscape. Key highlights include: