Virtual CISO Advisory — United Kingdom
Board-level security leadership, without the full-time overhead.
CSISC embeds an experienced Virtual CISO inside your organisation — setting strategy, managing risk and reporting to your board — at a fraction of the cost, time and risk of hiring one outright.
No lock-in retainers · Engagements scoped in days, not quarters
Virtual CISO support that shapes stronger security decisions
One named advisor, doing the job a CISO would do — just not full time.
A CSISC vCISO plugs straight into your leadership team, giving you strategic direction, risk ownership and board-ready reporting from week one.
Lead with confidence
Set a security strategy the whole business understands and can act on, not a document that sits on a shelf.
Reduce risk exposure
Close the gaps that matter most first, guided by a prioritised, costed roadmap rather than guesswork.
Report with confidence
Give your board, investors and clients evidence of active, accountable security governance.
The gap vCISOs close
Most breaches don't start with a firewall. They start with a missing decision-maker.
Security leadership is scarce, expensive to hire, and hard to retain — leaving a gap at exactly the point where risk decisions get made, or missed.
- A full-time CISO is out of reach for most mid-market budgets and hiring timelines.
- One-off audits hand you a report, then leave you to work out what to do with it.
- Technical findings rarely translate into language your board can act on.
- Compliance gets tackled reactively, at the worst possible time.
The CSISC vCISO Model
One accountable advisor. The full weight of a security function behind them.
- Senior expertise, fractional cost — CISO-level judgement without the salary, recruitment or retention risk.
- Pragmatic, not theoretical — we prioritise what reduces real risk, scoped to what you can actually action.
- Fluent at board level — reporting built around risk, cost and business impact, not jargon.
The framework
Structured against five pillars, not a stack of best-practice guesses
Every engagement is organised against the same register your board will eventually see: Identify, Protect, Detect, Respond, Recover.
Identify
Asset, risk & threat visibility across the estate
Protect
Controls, policy & architecture aligned to risk appetite
Detect
Monitoring coverage and detection gap review
Respond
Incident response plans, playbooks & tabletop tests
Recover
Continuity, resilience & post-incident learning
Explore CSISC
Everything you need to evaluate the service
Services
The nine domains covered under a vCISO engagement.
View services → §02Framework
The five pillars every engagement is measured against.
View framework → §03Engagement Model
How a project runs, and the ways you can retain us.
View model → §04Who We Serve
The kinds of organisations that get the most from a vCISO.
View fit → §05FAQ
Straight answers to the questions we're asked most.
Read FAQ →Bringing in a Virtual CISO gave us board-level clarity on risk that we simply couldn't get internally — without the twelve-month hiring process.— Finance Director, mid-market professional services firm