Deloitte’s Family Office Cybersecurity Report 2024 found that 43% of family offices had experienced a cyberattack in the past 24 months — rising to 62% for those managing assets above $1 billion. The Campden Wealth and AlTi Tiedemann Global Family Office Operational Excellence Report 2025 found that 70% of family offices now rank cybersecurity as their top operational risk — up from 59% in 2024. Family offices are targeted precisely because a single compromised communication can expose trust structures, legal strategies, asset locations, and family decision-making in ways that a corporate data breach typically cannot.
The collaboration and continuity challenges extend beyond the cyber perimeter. UBS’s Global Family Office Report 2025 found that just over half (53%) of family offices have wealth succession plans in place. Of those without plans, 29% said they simply believed they had plenty of time to formulate one. Security infrastructure and succession planning are more connected than they might appear: both require that critical knowledge be held by systems and structures, not by individuals.
The Institutional Security Standard
Major endowments, pension funds, and asset managers have resolved the secure collaboration problem through structured stakeholder portals. In these purpose-built environments, access is governed by role and need rather than by who happens to be copied on an email. Board members see board-level information. External advisers see what is relevant to their mandate. Family members or beneficiaries access what is appropriate to their involvement.
The governance principle underlying those systems is not a technology preference. It is a risk management discipline. ISO 27001 and NIST frameworks, which institutions use as baseline standards for information security governance, both treat access control as a must-have.
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The logic is straightforward. The fewer people who can access sensitive data through uncontrolled channels, the smaller the attack surface.
Regulatory expectations are moving in the same direction. The American SEC’s Division of Examinations has identified cybersecurity as a perennial priority in both its FY2025 and FY2026 examination priorities, with specific attention to governance practices, data loss prevention, access controls, and account management. The 2024 amendments to the SEC’s Regulation S-P now require registered investment advisers to establish formal incident response programmes and provide timely notification to affected individuals. While many family offices sit outside registration requirements set by the SEC or similar bodies around the world, the regulatory direction is clear: structured data governance is becoming a baseline expectation across the wealth management industry.
The Email Problem
Most family offices still conduct sensitive financial collaboration over email. The Family Office Exchange Technology Survey 2023 found that 72% of family offices share sensitive financial information via email attachments. This channel rarely involves access controls, audit trails, or the ability to revoke access once information has been sent.
Relying on email creates specific and quantifiable exposure. Social engineering — attacks that work by manipulating people rather than exploiting technical vulnerabilities — is the second most common breach pattern in the financial sector, according to Verizon’s 2025 Data Breach Investigations Report. In 2024 alone, Business email compromise scams transferred more than $6.3 billion from victims, with a median loss of $50,000 per incident. A family office principal receiving what appears to be a routine message from an estate attorney, accountant, or investment adviser has very little margin for error.
The document management dimension compounds the problem. Campden Wealth and AlTi Tiedemann Global’s 2024 Family Office Operational Excellence Report found that while around 60% of family offices had some governance documentation in place — mission statements, investment frameworks — formal documents such as conflict resolution mechanisms and family constitutions were notably absent. Governance documents that do exist are often stored informally, distributed via email, and difficult to locate when needed.
Succession and Institutional Memory
Institutions manage continuity risk through discipline. Critical knowledge is documented, processes are systematised, and capability is held by structures rather than individuals. When a key person departs a well-governed endowment or asset manager, the institution continues because the knowledge does not leave with them. Most family offices have not yet built that resilience.
The Family Office Exchange 2023 member survey found that 44% of family offices cite key person risk as their single greatest operational concern. The typical family office team is rather small with specialised roles, so the departure of one or two people can materially affect the office’s ability to function. The Campden Wealth and RBC North America Family Office Report 2024 found that of family offices with succession plans, only 30% have one that is formal and written. Just over half of the respondents said the next generation was inadequately qualified to take over.
The UBS 2025 data on next-generation involvement also pointed to a visibility and communication gap between having a plan and executing it. Of those family offices that do have succession plans, only 26% consulted the next generation from the outset of the planning process. Heirs who have not been involved in structured, appropriate engagement with wealth information are poorly positioned to take on responsibility for it. That engagement requires infrastructure. Not just good intentions, but a governed environment where appropriate access can be granted, expanded over time, and documented.
Technology systematisation plays a direct role in reducing key person dependency. When processes are documented, data is held in structured systems rather than in email inboxes and personal drives, and access is governed by defined permissions rather than informal relationships, the organisation becomes more resilient to individual departures. The institutional model treats continuity as a question of structure, not the loyalty of personnel.
The Swiss Foundation
Beyond access controls and encryption, secure collaboration infrastructure requires a decision about where sensitive wealth data is held and under whose legal jurisdiction. For institutions, that question has historically been answered by compliance requirements. For family offices, it is a strategic choice.
Data hosted in Switzerland sits under a specific legal framework that no other jurisdiction replicates. The Swiss Federal Act on Data Protection (FADP), which came into force in September 2023 and was confirmed adequate by the European Commission in January 2024, operates alongside Swiss banking secrecy law. This combination provides both data protection obligations and financial privacy protections simultaneously.
Data held in Switzerland is not subject to extraterritorial US legislation. Nor is it governed by EU enforcement mechanisms. Individual criminal liability under the FADP — fines of up to CHF 250,000 — applies to the people responsible for data handling, not only to corporate entities. This way, a family’s most sensitive financial information remains under Swiss legal sovereignty and subject to one of the world’s most established privacy frameworks.
For ultra-high-net-worth families whose wealth, advisers, and family members span multiple jurisdictions, that data sovereignty is not a technical detail. It is a fundamental governance decision.
The Altoo Wealth Platform provides the secure infrastructure foundation that institutional collaboration requires. Data is 100% Swiss-hosted, subject to Swiss banking secrecy and the FADP simultaneously. Customisable privilege management allows family members, advisers, accountants, and other stakeholders to access precisely what is relevant to their role and nothing more. Secure in-platform messaging replaces email for sensitive communications, eliminating the exposure that unstructured channels create. Documents can be stored and linked directly to holdings and structures, making governance records accessible to those who need them and protected from those who do not.
Wealthy families and their advisers are responsible for building their governance frameworks, succession plans, and collaborative processes. Altoo ensures the foundation for doing so stays strong. Contact us for a demonstration to see how the Altoo Wealth Platform provides secure, Swiss-hosted bedrock that your family office’s collaboration and continuity strategies can depend on.
