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Cert Atlas

BTL1

Blue Team Level 1

Defensive Entry Centri (formerly Security Blue Team)
Target job title
SOC Analyst (Tier 1)
Level
Entry. No experience needed, or the first cert after the basics.
Prerequisites
None. Basic networking and operating-system knowledge helps.
Official page
Centri (formerly Security Blue Team)

Recent updates

Security Blue Team rebranded as Centri on 1 June 2026. Still a 24-hour practical incident-response exam with lifetime certification.

Reviewed 2026-10-02. Source. Confirm exam details on the official page before booking.

Where it sits in Defensive Security

  1. Entry BTL1 TryHackMe SAL1 CompTIA Security+ Google Cybersecurity Microsoft SC-900 ISC2 CC CCDL1
  2. Intermediate HackTheBox CDSA TryHackMe SAL2 CompTIA CySA+ CompTIA SecAI+ SPLK-5001 OSDA GCIH Microsoft SC-200
  3. Advanced BTL2 CCDL2 CompTIA SecurityX

Natural next steps: HackTheBox CDSA, CompTIA CySA+, CompTIA SecAI+, SPLK-5001.

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