212-82 Exam Dumps : Certified Cybersecurity Technician (CCT)

A circuit-level gateway is a type of firewall that works at the session layer of the OSI model and monitors the TCP handshake between hosts to determine whether a requested session is legitimate. It does not inspect the contents of each packet, but rather relies on the session information to filter traffic

For a mobile banking app, ensuring secure user authentication is crucial. Multi-factor authentication (MFA) provides a robust security layer:

Multi-Factor Authentication (MFA):

Definition: MFA requires users to provide two or more verification factors to gain access, combining something they know (password), something they have (smartphone), and something they are (biometric verification).

Security Benefits: Significantly reduces the risk of unauthorized access even if one factor is compromised.

Implementation:

User Convenience: Integrate seamlessly into the app to maintain a positive user experience.

Enhanced Security: Protects against various attack vectors, including phishing, brute force attacks, and credential stuffing.

References:

NIST Digital Identity Guidelines:NIST SP 800-63

OWASP Mobile Security Testing Guide: OWASP MSTG

In the context of developing a cryptographic protocol resilient against quantum computing attacks, SHA-3 is the most appropriate choice. Here’s why:

Quantum Computing Threats: Quantum computers can potentially break current cryptographic methods like RSA and ECC due to Shor's algorithm. Traditional hash functions like SHA-256 might not offer sufficient security in a post-quantum world.

SHA-3 Overview: SHA-3, part of the Secure Hash Algorithm family, was designed with quantum resistance in mind. It was selected through an open competition by NIST, ensuring it incorporates advanced cryptographic techniques.

Resilience: SHA-3’s design is fundamentally different from SHA-2, providing enhanced security properties, including resistance to various attack vectors that might be feasible with quantum computing advancements.

References:

NIST SHA-3 Standard:NIST FIPS PUB 202

Research on quantum-resistant cryptography:IEEE Xplore