CREST CPSA Exam – 2025/2026 Acronym Reference (200+ Verified Qs) | Protocols, Encryption, Authentication, Security Standards | Cybersecurity & IT Certification

This document provides a comprehensive set of over 200 expertly verified acronym-based questions and answers tailored for the CREST CPSA (Certified Practitioner Security Analyst) exam for the 2025/2026 certification year. It serves as an essential quick-reference and memorization tool for candidates seeking mastery over the vast range of protocols, technologies, tools, and standards featured in CPSA and other cybersecurity certifications. Key content areas include: Network Protocols & Services: TCP, UDP, FTP, DNS, SMB, RDP, SNMP, IMAP, SMTP, HTTP/HTTPS, ICMP Encryption & Cryptographic Standards: AES, DES, 3DES, RSA, ECC, HMAC, SSL, TLS, EFS, GPG, PKI Authentication Methods & Tools: MFA, SSO, TACACS+, RADIUS, PEAP, LEAP, LDAP, OAuth, TOTP Security Tools & Testing: ZAP, MBSA, NMAP, SIEM, IDS/IPS, DAST, SAST, PCAP, RAT Security Standards & Regulations: GDPR, PCI DSS, FISMA, ISO, CVE, CWE, CVSS, HIPAA System & OS Terms: UAC, NTFS, BIOS, UEFI, ARP, NAT, PAT, DHCP, DNSSEC Cloud & Virtualization Terms: SaaS, PaaS, IaaS, VPN, VDI, VPS, VNC Attack Types & Threat Models: XSS, CSRF, MITM, DoS, DDoS, APT, LFI, RFI, SMURF Risk & Governance: DREAD, GRC, CISO, SOC, CSIRT, NAC, IAM, PAM Every entry includes the full acronym expansion with a focus on real-world relevance and exam applicability. This format is ideal for rapid review, flashcard creation, or as a companion study guide alongside hands-on technical practice. Best suited for: CREST CPSA and CRT exam candidates Cybersecurity and computer science students (undergraduate & postgraduate) Ethical hackers, SOC analysts, and blue/red team operators IT professionals preparing for CompTIA Security+, CISSP, or CEH exams Bootcamp trainees or self-learners needing a terminology master guide This document can be integrated into university cybersecurity courses, CREST-accredited training centers, or used individually as a final-week revision tool before the official exam. Keywords: CREST CPSA 2025, cybersecurity acronyms, encryption protocols, security standards, hashing algorithms, authentication methods, network protocols, DREAD model, LDAP, IPS IDS, CVE CWE CVSS, RADIUS TACACS, SIEM tools, cloud service models, secure transport, SSL VPN, MFA SSO, information security, cryptography terms, port and protocol guide