Cyber defense, engineered

Cybersecurity,
covered end to end.

Senior blue-team expertise, engineered. From advisory and detection to response, automation and training, across the full security lifecycle.

Book a discovery call See what we do
threatzer://contain.go AUTOMATION · GO
package automation
 
// Auto-contain hosts on high-confidence detections.
func OnDetection(ctx context.Context, d Detection) error {
    if d.Confidence < 0.9 {
        return queue.Review(d) // hand to an analyst
    }
 
    host := edr.Lookup(ctx, d.HostID)
    if err := edr.Isolate(ctx, host); err != nil {
        return fmt.Errorf("isolate %s: %w", host.ID, err)
    }
 
    return soar.Notify(ctx, host, d) // page on-call, open case
}
// Who we work with

We meet you where your security is today

01

SOC & CIRT teams

Senior hands for your SOC or IR crew: short-staffed, on-call, or new.

02

Lean security teams

A force multiplier for the one or few who carry security for the whole company.

03

Scaling startups

Right-sized security, set up early, to earn customer trust.

04

Mature organizations

More from the tools and teams you already pay for.

// What we do

Security work,
done by engineers

Senior expertise, plus the automation to make it stick.

01 ADVISORY

Advisory & Security Strategy

Posture & architecture reviews that become a board-ready roadmap.

Posture review Architecture Roadmap
Learn more →
02 DETECTION

Detection Engineering

High-signal detections, shipped as detection-as-code.

Sigma ATT&CK mapping Tuning
Learn more →
03 RESPONSE

Incident Response

Fast, hands-on response across Windows, macOS and Linux.

Win / macOS / Linux Forensics Playbooks
Learn more →
04 AUTOMATION

Security Automation & AI

SOAR and AI-assisted triage, shipped as maintainable software.

SOAR AI triage Tool ROI
Learn more →
05 TELEMETRY

Log Management & Telemetry

Logs collected, parsed and normalized, so telemetry is detection-ready.

Collection Normalization Pipelines
Learn more →
06 ENGINEERING

Software Engineering

Backend services, APIs and internal platforms, security brief or not.

Backend & APIs Internal tools Secure SDLC
Learn more →
// Where engineering changes the game

Security operations at light speed

AI only where it earns its place, engineered into production-grade software. The payoff: busywork off your analysts, and your tools finally pulling their weight.

Talk about automation & ROI →
100K+
analyst hours reclaimed across every SOC tier, from triage and enrichment to response actions
MTTD ↓
Mean Time To Detect cut, so threats surface sooner
MTTR ↓
Mean Time To Respond cut, so incidents are contained faster
Zero
black boxes, the software stays yours
Representative outcomes from our automation work; client specifics stay under NDA.
// Training & awareness

Level up the whole team

Hands-on ranges from real attacks, and an automated, org-wide awareness program. Never slideware, never blame.

Ranges & labs

Real attack chains and MITRE ATT&CK techniques: high-rated content we delivered to leading platforms, now used by thousands of learners.

Content delivered to
RangeForce (now Cyberbit)
Blue Team Labs Online

Awareness, org-wide

Training, internal red-teaming and phishing simulations in one automated, results-driven program.

Awareness Training, role-relevant and actually completed.
Internal red teaming, safe exercises that surface real risk.
Phishing simulations, automated, with no finger-pointing.
Bring training to your team →
// How we plug in

Built to slot into the environment you already run

We engineer around the stack you already run, never a forced rebuild.

Languages & automation
Go Python N8N
SIEM & observability
Elastic SIEM Falcon LogScale OpenObserve
Detection & rules
Sigma Yara
EDR & endpoint
CrowdStrike Falcon JAMF JumpCloud
Operating systems
MacOS Windows Linux
Security architecture
Zero Trust Policy reviews
Isolation & sandboxing
Containerization Virtualization Automated MicroVM detonation sandboxes
Threat intelligence
Cyber Threat Intelligence
Malware & phishing
Malware analysis & response Phishing analysis & response
Identity & access
Privileged Access Management (PAM)
Adversary simulation
Purple teaming, automated & AI-augmented
// Why Threatzer

What you can expect from us

The same standards on every engagement, whatever your size or starting point.

P1

Outcome-driven

Success measured by risk reduced and hours saved, not hours billed.

P2

Senior expertise

Led by senior practitioners with real SOC, IR and detection experience.

P3

Engineering-grade

Automation ships as production software, maintainable and yours to keep.

P4

Pragmatic by design

Security sized to your real risk and resources, never checkbox theater.

Threatzer
Cyber defense, engineered
Thousands
of defenders trained on our content
100K+
analyst hours reclaimed through automation
End to end
advisory, detection, response and automation
// About Threatzer

Expert defense, backed by engineering discipline

A cybersecurity company with an engineering core: deep blue-team expertise in detection, incident response and threat hunting, delivered with the rigor of real engineering, work you can run, measure and maintain.

Credentials behind Threatzer
BSc Computer Science CISSP CEH Master ECIH BTL-1
GitHub LinkedIn
// Insights

From the blog

All posts →
March 2, 2024 · 3 min read

Yubikey FIDO2 Security for SSH/GIT on WSL

Windows Subsystem for Linux (WSL2) provides a powerful Linux environment directly within Windows, eliminating the need for dual-booting or virtual machines. Despite its advantages, WSL has limitations…

Read →
March 4, 2018 · 4 min read

Vulnerability Disclosure: security.txt

Most security professionals are familiar with robots.txt, but fewer understand the emerging standard known as security.txt and its potential impact on vulnerability disclosure processes. This article…

Read →
February 19, 2018 · 2 min read

DKHOS CTF: General Review

In January 2018, I received an invitation to participate in DKHOS, one of Turkey's most prominent Capture The Flag (CTF) competitions. Our team, KHORNE, entered with dual objectives: to secure first…

Read →
February 19, 2018 · 3 min read

DKHOS CTF: Technical Challenge Writeup

I referenced the 7-Zip file format documentation at https://www.7-zip.org/recover.html to identify the proper header and footer values required for reconstruction.

Read →
// Let's talk

Let's strengthen your security

Tell us what you are protecting and where you feel exposed, and get a clear, prioritized way forward from senior practitioners.

Book a discovery call →
Looking to grow your team's skills? Bring our training to your team →