by Reashad Hossain | Dec 11, 2022 | Security
Clark-Wilson David Clark and David Wilson created the Clark-Wilson model, and its primary goal is information integrity, although it is more stringent than the Biba model. It also helps enforce the separation of duties principle. Brewer-Nash The Brewer-Nash...
by Reashad Hossain | Dec 11, 2022 | Security
The Biba model, another MAC-based model, enforces integrity (unlike the Bell-LaPadula model, which enforces confidentiality). Biba includes two rules that are reversed from the Bell-LaPadula model: Simple Integrity Axiom—no read down : Subjects granted...
by Reashad Hossain | Dec 11, 2022 | Security
David Elliott Bell and Leonard J. LaPadula designed the Bell-LaPadula model with a primary goal of ensuring confidentiality. It enforces security through two primary rules, commonly called no read up and no write down. Each of these rules compares the subject’s...
by Reashad Hossain | Dec 11, 2022 | Security
A smurf attack occurs when an attacker sends a spoofed (IP spoofing) PING (ICMP ECHO) packet to the broadcast address of a large network (the bounce site). In the modified packet containing the address of the target system, all devices on its local network respond...
by Reashad Hossain | Dec 11, 2022 | Networking, Security
Diffie Hellman (DH) is a key agreement algorithm describes a means for two parties to agree upon a shared secret over a public network in such a way that the secret will be unavailable to eavesdroppers. The DH algorithm converts the shared secret into an arbitrary...
