Financial services firms face an average data breach cost of about $5.56 million, 25% higher than the global average of $4.44 million, according to IBM’s Cost of a Data Breach Report 2025. For a CISO signing off on a deal technology vendor, that figure defines the accountability they’re accepting.
Enterprise procurement criteria have shifted accordingly. Reviews that once ended at certification logos now extend to architecture design and AI training data policies. At the scale where these standards matter most, platforms like Datasite process more than 55,000 deals annually across M&A, capital markets, and restructuring and carry the full certification stack to match: ISO/IEC 27001, 27017, 27018, 27701, 42001, and SOC 2 Type II. Five evaluation dimensions now define the procurement of technology for enterprise deals, each with verification requirements that go beyond vendor assurances.
Architecture Comes Before Certifications
Certifications validate security practices, but they don’t create them. Secure-by-design architecture embeds security into every layer of a platform, from encryption standards to granular permissions at the document level. A vendor that describes security as a capability added along the way instead of a foundational element of the platform is signaling exactly that. To test this approach practically, ask the vendor to show how two separate deal projects are isolated at the infrastructure level. Vendors with genuine architectural controls can answer in specific terms. Those pointing to policies rather than systems are describing intent, not infrastructure.
“When security is integrated into a platform’s architecture from the ground up, audit reports can provide answers to critical questions,” said Matt Summers, Executive Vice President, Head of Product at Datasite. “This provides confidence that sensitive information is being protected and data handling is trusted, reducing risks during every stage of the transaction.”
Independent Verification Is the Baseline
A complete certification stack covers each dimension independently:
- ISO 27001 for information security management
- ISO 27017 for cloud-specific controls
- ISO 27018 for cloud privacy
- ISO 27701 for privacy management
- SOC 2 Type II for operational controls.
Each covers a different dimension of security and privacy. SOC 2 Type II has effectively become a procurement prerequisite. Enterprise customers now commonly require it contractually as part of vendor risk management. The Type II designation provides assurance that controls operate effectively over time, not only at the moment of audit.
Recency and scope are two factors that distinguish a credible certification stack from a marketing checklist. Verify when each certification was last audited, by whom, and whether the scope covers the specific infrastructure where deal data will be processed. A SOC 2 Type II report that excludes a vendor’s AI processing environment leaves that environment unverified, which is a material omission for any platform with AI-powered features.
The Next Frontier is AI Governance
ISO 42001, the first international standard for AI management systems, has also become a standard item on enterprise procurement checklists. For deal technology platforms, three verification points matter: whether client data is used to train AI models, whether clients can disable AI features entirely, and whether AI-generated insights remain isolated to the originating project. Vendors that address all three have clearly built the controls.
In an M&A context, where AI tools process confidential information, the stakes are unusually high. If a platform’s AI layer is trained on deal data from one client and that influences outputs visible to another, the exposure can become a securities law problem. Procurement teams reviewing deal technology in 2026 are applying the same level of scrutiny to AI governance documentation that they apply to penetration testing reports.
Data Sovereignty is Essential in Cross-Border Deals
For deals involving European parties, region-bound hosting generally ensures deal data stays within the European Economic Area and avoids triggering GDPR’s cross-border transfer restrictions under Chapter V. When data leaves the EEA, platforms must demonstrate adequate safeguards, such as Standard Contractual Clauses or an adequacy determination. Keeping data in-region removes that variable entirely. In the U.S., healthcare transactions require HIPAA compliance and defense-related content requires ITAR controls. Each regulation defines specific requirements for how data is handled, stored, and accessed across jurisdictions.
For transactions involving parties in the EU and the U.S. simultaneously, deal teams need to confirm where backup infrastructure and AI processing environments are hosted. Both are subject to the same transfer rules as primary deal data. Vendors without a complete data residency map for every infrastructure component are unable to support this type of cross-border deal flow.
Audit Trails Enable Response and Prevention
IBM’s Cost of a Data Breach Report also found that breaches lasting more than 200 days cost an average of $5.01 million in 2025, compared to $3.87 million for those contained faster. Immutable audit logs are central to faster containment. Every user action must be logged, time-stamped, and tamper-evident, including document view, download, print, share, and permission change. When a court or regulator requests a full account of document activity during a transaction, that reconstruction depends entirely on whether every action was captured in real time before anyone knew it would be needed.
When evaluating a vendor’s logging capabilities, confirm that logs are complete, immutable, and exportable on demand. In a post-close dispute or regulatory inquiry, logs that can be modified by an administrator or retained for fewer than seven years won’t meet scrutiny.
As enforcement activity from the SEC, FCA, and European Commission continues to increase around deal-related data handling, the audit trail has become a material consideration in deal documentation itself, extending well beyond IT infrastructure.
FAQs
What is a virtual data room used for?
VDRs are used for storing and sharing confidential documents during high-stakes transactions. They provide granular access controls, detailed audit trails, compliance certifications, and collaboration tools tailored for due diligence, M&A, fundraising, and legal proceedings.
What security certifications should I look for when selecting a virtual data room for due diligence?
The most important certifications are ISO 27001 and SOC 2, as well as GDPR and HIPAA. ISO 27001 provides a systematic approach to managing sensitive company information, while SOC 2 focuses on controls relevant to security, availability, processing integrity, and confidentiality.
What VDR compliance certifications are required for deals in the European Union?
EU deals require ISO 27001, ISO 27018, and ISO 27701. ISO 27701 is a data privacy extension to ISO 27001 that directly supports compliance with GDPR.
How should a data room be archived after a deal closes for compliance records?
Export audit logs, revoke user access, and move critical files to an encrypted, access-controlled archive, ideally within the same platform, to ensure continuity of protection with better visibility. Keeping post-deal files in an active VDR environment adds unnecessary exposure. Archiving within a purpose-built platform preserves audit trail continuity and makes materials accessible if a regulator or counterparty requests them later.
