Mastering Security Goals, Services & Attacks in Cryptography 🔐

Embark on a journey into the intricate realm of cybersecurity, where you'll uncover the fundamental principles that safeguard information and systems. Delve into the crucial concepts of security goals, services, mechanisms, and attacks, equipping yourself with the knowledge to navigate the complex landscape of digital protection.

Unveiling the Pillars of Cybersecurity:

Security Goals:

Confidentiality: Ensuring that sensitive information remains accessible only to authorized individuals.

Integrity: Maintaining the accuracy and completeness of data throughout its lifecycle.

Availability: Guaranteeing that authorized users have timely and reliable access to information and systems.

Security Services:

Authentication: Verifying the identity of individuals or entities seeking access to systems or resources.

Access Control: Regulating who can access specific resources and the actions they can perform.

Data Confidentiality: Protecting data from unauthorized disclosure or exposure.

Data Integrity: Preventing unauthorized modification or alteration of data.

Non-Repudiation: Ensuring that individuals or entities cannot deny their involvement in transactions or communications.

Security Mechanisms:

Encryption: Converting data into an unreadable form to safeguard confidentiality.

Hashing: Generating unique digital fingerprints of data to verify its integrity.

Digital Signatures: Creating tamper-proof electronic signatures to authenticate identities and protect non-repudiation.

Firewalls: Filtering incoming and outgoing network traffic to block unauthorized access and malicious attacks.

Intrusion Detection/Prevention Systems: Monitoring systems and networks for suspicious activity and potentially harmful attacks.

Navigating the Threat Landscape:

Security Attacks:

Interception: Unauthorized capture of data in transit.

Modification: Alteration of data to compromise its integrity.

Masquerade: Impersonating authorized users to gain unauthorized access.

Denial-of-Service (DoS): Overwhelming systems with traffic to render them unavailable.

Malware: Malicious software designed to harm systems or steal data.

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