JustCyber

AI-native cybersecurity, offensive and defensive

We bring together offensive, defensive, compliance and enablement in one place — with AI accelerating the work and the critical judgement always human. We sell control, not fear.

Our idea

See what no one sees. Act at the exact point.

JustCyber brings together, in one place, what most companies have to source from several vendors: the offensive side (test and prove), the defensive side (monitor and respond), compliance (LGPD, ISO 27001, SOC 2) and training — with AI accelerating recon, triage and reporting.

Our idea is Precise Vigilance: seeing what no one else sees and acting at the exact point, with the calm of being in control. We sell control, not fear.

  1. 01

    Offensive

    Test and prove: Pentest, Red Team, adversary emulation.

  2. 02

    Defensive

    Monitor and respond: 24/7 SOC/MDR, DFIR, threat hunting.

  3. 03

    Compliance

    LGPD, ISO 27001, SOC 2 and PCI — from assessment to audit.

  4. 04

    Enablement

    Our own Academy to build and train security teams.

[ — ]  ·  Our way

Offensive and defensive at the same table, AI on the heavy lifting and the critical judgement always human. That is how you spot it early and act at the right point.

How we work

A closed method, from first contact to delivery

Serious security is not improvised. Every engagement follows a predictable cycle — so you know what to expect at each stage, with evidence and regulatory support when needed.

Every engagement starts under a mutual NDA. Client confidentiality is the rule, not the exception.

  1. 01

    Contact and NDA

    Every conversation starts under a mutual NDA. We understand the scenario, the risk and the outcome you need.

  2. 02

    Scope and rules of engagement

    We define target, window, limits and success criteria in writing. Nothing runs without authorisation.

  3. 03

    Execution

    The senior team leads the work — offensive, defensive or strategic — with AI accelerating recon, triage and reporting.

  4. 04

    Evidence and report

    We deliver findings with proof, impact and prioritisation, at OSCP/CREST standard, in both technical and executive language.

  5. 05

    Remediation and verification

    We support remediation and re-test. What was found becomes, where it makes sense, a detection rule in your environment.

  6. 06

    Continuity

    From a DFIR retainer to continuous SOC/MDR monitoring — the relationship continues for as long as there is risk to manage.

How we respond

An incident in progress does not wait. Neither do we.

When the worst happens, improvisation is what gets expensive. Our DFIR follows a closed method, from activation to regulatory notification — to contain fast, understand deeply and get back online safely.

Initial triage within 60 min · 1–4h response SLA for retainer clients.

  1. 01

    Activation and triage

    You reach us through the emergency channel. The on-call team assesses the scenario and classifies severity within 60 minutes.

  2. 02

    Containment

    Isolation of affected systems, blocking of indicators of compromise and preservation of forensic evidence.

  3. 03

    Forensic investigation

    Analysis of logs, memory, disk and network to find the root cause, the real scope of the compromise and the attack timeline.

  4. 04

    Eradication

    Removing the adversary from the environment, fixing the exploited flaws, rotating credentials and hardening the weak points.

  5. 05

    Recovery

    Controlled restoration of operations, with heightened monitoring and validation that the environment is safe again.

  6. 06

    Regulatory support

    Support for notifying the data-protection authority and data subjects within the legal deadline, with a lessons-learned report so it does not happen again.

Build your incident response plan
Why JustCyber

Trust is proven by operating, not by logos

We work under NDA and never expose clients. Instead of logos, we show how we operate — that is what earns trust.

  1. 01

    Offensive and defensive on the same team

    The people who attack and the people who defend talk to each other. What the Red Team finds becomes a detection rule in the SOC — no handing you between vendors.

  2. 02

    AI-native, human decision

    AI accelerates recon, triage and reports; the critical response and the final judgment are always made by senior analysts.

  3. 03

    End-to-end compliance

    From assessment to audit across LGPD, ISO 27001, SOC 2 and PCI — with regulatory support during incident response, including breach notification.

  4. 04

    From SMB to enterprise

    Tailored services and a product platform that becomes available incrementally, as each module matures.

We work under NDA. We do not expose clients or disclose engagements.

Next step

Let's design your environment's security

Tell us your scenario in two lines. Our senior team replies within one business day, under NDA.