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Glossary

Virtual CISO (vCISO)

A virtual CISO (vCISO) is an experienced security executive who leads your security program under a fractional contract instead of a full-time salary — setting strategy, owning risk decisions, and answering to auditors, boards, and enterprise customers for a fraction of the cost of a permanent hire.

Last updated July 26, 2026
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Definition

A contracted, part-time security executive who provides chief information security officer leadership — strategy, risk ownership, compliance oversight — without joining the company as a full-time employee.

RelatedvCISO Services
RelatedWhat Does a vCISO Do?
RelatedManaged Comply Pricing
Glossary · VPractitioner definition
Linked to the deeper guideSOC 2 · ISO 27001 · HIPAA · FedRAMP · CMMC

The seat is executive.

Glossary · Virtual CISO
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The role in brief

The seat is executive. A vCISO decides what your security program must accomplish and in what order, then puts their name on it: the risk assessment, the roadmap, the board update, the customer security call, the auditor interview. What the seat is not is the person grinding through tickets and evidence — that delivery layer is a separate function, described under managed GRC.

The label gets stretched. Some vendors sell a policy-template subscription and call it a vCISO; others staff a genuine former security executive a few hours a week. Ask what artifacts you would own after a quarter — the answer separates the two. The deliverable-by-deliverable version of the role lives at What Does a vCISO Do.

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When a fractional executive fits

The model fits companies that need credible security leadership — for an audit, an enterprise deal, a board mandate — before a full-time executive makes financial sense. That describes most startups and much of the mid-market. Agency’s vCISO service staffs the seat with senior practitioners and backs them with delivery engineers, so the strategy shows up with hands attached; published tiers are on Managed Comply pricing. Growth changes the answer eventually: the role converts to a permanent hire once security becomes a daily executive concern.

Glossary

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Nearby terms
vCISO ServicesAgency’s virtual CISO practice: senior leadership backed by delivery engineers.
What Does a vCISO Do?Every responsibility of the role, spelled out deliverable by deliverable.
Managed Comply PricingPublished vCISO pricing: a full virtual CISO and managed compliance from $5,000 per month for companies with…

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