OSS BLUE TEAMER
2025-2026

Distributed by:

Issued to

Noah Sanderson

Want to report a typo or a mistake?

Credential Verification

Issue date: April 12, 2026

ID: 4676b959-03e6-49ae-8499-a0dc7dfd1c39

Issued by

Offensive Security Society

Type

Membership

Level

Intermediate

Format

Offline

Duration

12 months

Price

Free

Description

Focuses on defending systems and services through real time monitoring, threat detection, and incident response. Participants secure and maintain critical infrastructure while analyzing logs, investigating alerts, and responding to active threats. Training includes over 80 hours of active defense against live attackers, building practical experience in maintaining operations under pressure.

Skills

Network Defense

Incident Response

Active Directory

Linux Administration

Vulnerability Management

Earning Criteria

Participation

Selection is based on demonstrated technical ability and understanding of defensive security. Candidates are evaluated through hands on virtual machine hardening, where they secure systems against common threats and misconfigurations. They are also interviewed on incident response techniques, assessing how they detect, analyze, and respond to security events. Those who work well on a team and show strong practical skills and clear reasoning are selected.

Participation

Training spans 12 months of weekly meetings focused on hands on defensive security. Members secure and maintain critical services, practice Linux and Windows hardening, and develop scripts to support detection and response. The program includes seven extended 8 hour sessions of active defense against live attackers across intercollegiate environments, invitationals, and internal red vs blue exercises, building real experience operating under pressure.