The evidence you didn't know you created: How digital footprints are deciding modern business disputes

Companies often focus on negotiating stronger contracts while overlooking a much larger source of legal exposure: the enormous amount of digital information their people generate every single day. In many cases, this information tells a far more complete story than the contract itself.

Digital evidence has also become considerably more sophisticated. Beyond emails and electronic documents, courts and arbitral tribunals increasingly examine metadata, document version histories, cloud collaboration records, access logs, videoconference recordings and internal messaging platforms. These elements can reveal when information was created, modified, shared or intentionally deleted, often providing valuable context that cannot be obtained by analysing traditional documentary evidence.

Artificial intelligence introduces an additional layer of complexity, and while it can significantly improve productivity, it also creates new legal challenges. Reports and analyses generated using AI tools may become relevant evidence if their use influenced business decisions. At the same time, manipulated documents, synthetic images, cloned voices and deepfakes make authenticity more difficult to establish, requiring parties to implement stronger verification and forensic procedures.

This evolving landscape makes document preservation more important than ever. Once a dispute becomes reasonably foreseeable, companies must preserve relevant electronic information, as failure to do so may seriously undermine a company's legal position. Missing metadata, deleted communications, or altered files can generate adverse inferences, increase litigation costs, and, in some jurisdictions, even result in procedural sanctions.

For business leaders, digital evidence should no longer be viewed solely as a litigation issue. It is fundamentally a governance issue. Organisations need clear policies regarding document retention, acceptable use of AI, internal communications, and data preservation. Employees should also understand that business conversations occurring through instant messaging platforms may eventually be examined by judges, arbitrators, or regulatory authorities. 

Technology has transformed the way companies operate, but it has also transformed how disputes are resolved. Every digital interaction leaves a trace, and every trace may eventually become evidence.

---

Prof Sergio Guerrero Rosas, Managing Director at Guerrero y Santana, has over 25 years’ experience advising companies from SMEs to multinationals, as well as individuals, on tax and estate planning. He is also Global Vice Chair of the GGI Trust & Estate Planning (TEP) Practice Group.