Skip to main content
Specialized Advisory

Family Office Security

Bespoke cybersecurity advisory for UHNWI and Family Office principals, addressing the unique threat landscape where personal and professional security boundaries converge.

Overview

Ultra-high-net-worth individuals represent a distinct target category for sophisticated adversaries. The term “whale phishing” exists for a reason: adversaries design campaigns targeting UHNWI controlling significant capital, investing weeks or months in reconnaissance before executing a single, precisely calibrated strike. These are operations planned by organised criminal enterprises and, in certain contexts, state-sponsored intelligence programmes targeting private wealth.

The fundamental challenge is the convergence of personal and professional domains. A principal's personal email contains both family photos andInvestment Committee deliberations. A family member's social post reveals travel patterns. A household employee shares the same Wi-Fi connecting to wealth management platforms. Enterprise security assumes clear corporate-personal boundaries. Family Offices operate precisely where those boundaries do not exist — and adversaries exploit this systematically.

Standard enterprise products fail for structural reasons. Corporate endpoint management assumes centrally administered devices; principals use personal devices and rightly refuse restrictive MDM. Corporate network security assumes a defined perimeter; family offices operate across multiple residences with constant travel. Corporate training assumes standard employment; family office staff operate in extraordinary trust environments where questioning instructions requires cultural sensitivity that generic programmes cannot provide.

Intarmour's advisory addresses these realities through protection designed for how UHNWI and their families actually live and work. We protect without constraining, monitor without surveilling, and train without creating anxiety. The most sophisticated security architecture is worthless if principals circumvent it because it creates unacceptable friction in daily life.

Service Scope

Personal Device Security

Institutional-grade endpoint protection for principals and family members. Mobile phones, tablets, and laptops hardened against targeted attacks without restricting legitimate use. Hardware security keys, biometric authentication, and encrypted storage across all devices.

Travel Security Protocols

Digital security protocols for international travel. Pre-departure device hardening, jurisdiction-specific threat briefings, secure communication on untrusted networks, border crossing procedures, and post-travel forensic verification.

Residential Network Protection

Institutional-grade network architecture for primary and secondary residences. Segmentation isolating IoT from sensitive systems, encrypted inter-site connectivity, guest isolation, smart home hardening, and continuous anomaly detection.

Social Engineering Defense

Proactive defense against impersonation, pretexting, and manipulation targeting high-net-worth individuals. Staff awareness training for family office environments, verification protocols for phishing and financial instructions, and simulated attack exercises testing organisational resilience.

Digital Footprint Management

Systematic reduction of personal information available to adversaries. Data broker removal, social media exposure assessment, public records minimisation, and ongoing monitoring for newly exposed data. Reduces the reconnaissance surface for targeted attacks.

Family Member Security Training

Age-appropriate and role-appropriate security education for all family members, calibrated to individual public visibility, social media activity, and system access. Delivered with sensitivity to family dynamics, building practical habits without creating anxiety.

Threat Landscape

Impersonation and Business Email Compromise

Adversaries invest significant effort impersonating trusted parties — principals, external counsel, private bankers, or family members. Attacks exploit the high-trust, low-bureaucracy culture where a single phishing email from an apparent principal can authorise substantial transfers. Adversaries study communication patterns and tone over extended periods before deploying requests mirroring legitimate instructions. Wire fraud losses in the family office context routinely exceed seven figures.

Real Estate Wire Fraud

Property transactions are particularly acute vulnerabilities forUHNWI: large values, compressed timelines, multiple counterparties by email, and external professionals. Attacks typically compromise an involved professional's email and substitute fraudulent account details at settlement. Each transaction represents an exposure window requiring dedicated verification protocols beyond standard banking controls.

Social Media Reconnaissance

Social media activity of principals, family members, and staff provides adversaries with detailed intelligence. Location check-ins, photographs exposing residence interiors and routines, and even innocuous posts — school events, charity galas, yacht departures — contribute to composite pictures informing both cyber and physical attacks. Adversaries monitor not only the principal but family members, domestic staff, and household associates.

Staff-Targeted Attacks

Family Office staff combine extensive access with lower security awareness. A personal assistant with email, calendar, and banking credentials represents a single point of compromise yielding full access. Adversaries use tailored social engineering: pretexting calls, phishing mimicking regular platforms, and direct approach through networking platforms. The compromise of household staff — nannies, drivers, household managers — provides persistent physical and digital access.

Case Study — European Industrial Dynasty

Multi-Generational Family Office — Comprehensive Security Programme

Challenge

A multi-generational European Family Office engaged Intarmour following a social engineering incident targeting a junior family member. Twelve individuals across three generations, supported by staff across four properties in three countries. Extensive personal data exposed through data brokers, inadequate device security, no travel protocols despite frequent international movement, no security training, and active public social media profiles revealing routines and travel itineraries.

Solution

Twelve-week programme in three phases. Phase one: device hardening across all endpoints, data broker removal, and residential network segmentation across four properties. Phase two: travel security protocols, financial instruction verification workflows, and encrypted communication channels. Phase three: individually tailored security training — age-appropriate for younger members, operationally focused for staff, and strategic briefings for the senior generation.

Outcome

Measurable improvement across all domains. Personal exposure substantially reduced through broker removal and social media guidance. Institutional-grade endpoint protection deployed without restrictive management. Travel protocols adopted by all family members. Two social engineering attempts during the engagement neutralised by staff applying new verification procedures. The family transitioned to a retainer with ongoing monitoring, quarterly briefings, and continuous adaptation.

Engagement Model

Retainer basis with a recommended six to twelve month minimum. Initial phase (eight to twelve weeks) covers assessment, immediate remediation, and programme implementation. Ongoing retainer provides continuous threat monitoring, quarterly reviews, incident response availability, and adaptive refinement as family circumstances and the threat landscape evolve.

Every engagement is led by a senior advisor serving as a single, consistent point of contact. We do not rotate personnel, and strictly limit team members with client access. All materials classified strictly confidential, under NDA, and stored exclusively on EU-sovereign infrastructure with zero-knowledge encryption.

Ready for institutional-gradecybersecurity?

Confidential assessments for qualified Private Equity and Family Office entities requiring sovereign defense infrastructure.