Fractional CISO & cybersecurity advisory

The security leadership your organisation needs, exactly when you need it.

Senior cybersecurity leadership embedded directly into your organisation — without the cost or commitment of a full-time hire. Strategy, governance, assurance, and execution delivered at board level.

Expertise across
Global financial services Critical national infrastructure Regulated enterprise AI security Post-quantum cryptography
§ 01 / Standing

A practice, not a pitch deck.

0+ yrs

Executive cybersecurity leadership across global financial institutions.

Banking · Asset Mgmt · Markets
£0Bn+

In security budgets governed across global financial institution programmes.

CapEx · OpEx · Programme
AI · PQC

Specialist capability in AI-accelerated threat advisory and post-quantum cryptography.

Forward-deployed
§ 02 / Engagement

Three ways to engage.

Choose the depth of relationship your situation demands. Each model is delivered at senior level from day one.

Best when

An ongoing seat at the top table.

For organisations that need a CISO permanently in the room, but not permanently on the payroll. We hold the security accountability, attend the executive committee, report to the board, and own the programme.

  • Embedded into your leadership cadence — ExCo, Risk, and Audit committees.
  • Quarterly board reporting in language your directors can act on.
  • Ownership of the programme, not just observation of it.
  • Direct line into your team, suppliers, regulators, and auditors.
Cadence
Weekly contact · monthly cycle
Commitment
3-month minimum, rolling
Reporting
To CEO, ExCo, and Board
Indicative
TBC
§ 03 / Why us

Board-level security expertise, without the full-time price tag.

CISO Advisory Group delivers senior cybersecurity leadership to organisations that need it most — whether you are scaling rapidly, navigating a complex regulatory landscape, or simply lack the internal capability to stay ahead of the threat.

Our principal has spent over two decades leading security at the highest levels of global finance and critical national infrastructure. That depth of experience is what we bring to every engagement, applied practically to your environment, your risks, and your business objectives.

We are not a consultancy that produces reports and moves on. We embed, we own outcomes, and we stay until the job is done.

Financial Services Critical Infrastructure Regulated Enterprise AI Security AI Governance Post-Quantum DORA NIST CSF 2.0 NIST 800-53 r5 NIST AI RMF ISO 27001 ISO 42001 NCSC CAF CIS v8 SOC 2 PCI DSS 4.0 MITRE ATT&CK SC Cleared
01

We carry the accountability

We sign our name to the strategy, sit in the regulator's meeting, and stand in front of the board. The buck stops with us.

02

Senior from minute one

You are working with a CISO, not an associate two years out of a graduate scheme. There is no team behind the curtain to delegate to.

03

Quietly, confidentially

Discretion is the default. Your boardroom, your auditors, your executives — never our case study.

04

Plain-English to the board

We translate cryptography, posture, and threat into the decisions and trade-offs your directors are paid to make.

A conversation, not a sales call

Tell us, in confidence, what's keeping you up.

Confidential Obligation-free Senior from day one

We reply within one business day, in writing, to a single named contact. NDA on request before any specifics are shared.