Ross Porter MCMI is Director of Visa Compliance and Financial Aid at London Business School and a member of the DET UK Advisory Board. Alongside his role at LBS, Ross is a UKCISA Trustee and provides independent consultancy on UKVI compliance and audit assurance. He also co-chairs the UCISA Immigration Community of Practice, bringing together compliance leaders from across the sector to share intelligence, respond to regulatory change, and shape collective approaches to UKVI requirements.


Compliance sits at the forefront of institutional strategy in a way it never has before. For many in the Higher Education sector, international student recruitment is essential to financial viability, yet this reliance brings exposure to unprecedented levels of regulatory risk at a time when the margins for error are narrowing sharply.

Why compliance and English test security matter more than ever

Earlier this month, the Basic Compliance Assessment (BCA) metrics halved, with a much tougher sanctions regime not just for institutions who exceed the metrics, but also for those who merely come close to doing so. Against a backdrop of rapidly increasing refusal rates and visa delays, institutions find themselves navigating risks they don't fully control, in a competitive market characterised by declining student mobility, diminishing returns, and growing deficits. Recruitment strategies are being determined as much by risk appetite and external regulatory requirements from the Home Office, as by commercial opportunity.

In this context, online English language testing has, understandably, attracted scrutiny. There is a legitimate question about whether a test taken at home, on the individual's own computer, can match the security of one taken under traditionally invigilated exam conditions, or even surpass it.   

Given the far-reaching consequences of getting it wrong – sponsor licence suspensions, curtailed CAS allocations, enforced action plans – caution is both rational and reasonable. Universities need robust assurance that the students they are sponsoring are genuine, with the right qualifications and level of English to meet visa thresholds and succeed academically. And they need to secure that assurance in a way that avoids unnecessary barriers to entry.

As technology continues to evolve, so do our students. And so too must the tools we use to assess them. Advances in technology provide new opportunities for those looking to secure admission through fraudulent means, and it's not just the Home Office looking to penalise those who fail to stay one step ahead. At the same time, these advances have unlocked new capabilities for detecting fraudulent behaviors.

Robust compliance does not have to be conservative; it’s about adopting processes which demonstrably manage risk, whilst maintaining academic and regulatory standards. Being compliant means demonstrating due diligence in our sponsor duties through evidence-based assessment of the tools and processes we rely on.

How digital assessment security supports institutional confidence

The Duolingo English Test (DET) Security White Paper, being released at DETCon London this month, offers a detailed account of how security and score integrity can be embedded within digital-first assessments. It provides assurance to compliance, academic, and recruitment professionals alike that digital accessibility can coexist with robust security standards.

Central to the DET framework is an understanding that effective digital security is not about replacing human judgment with technology, but about combining them. The DET employs what it terms a "human-in-the-loop AI" approach: a multi-layered system in which artificial intelligence flags potential issues, but trained human proctors retain final authority over all decisions affecting test integrity. This model demonstrates how technology can enhance rather than diminish the rigor of security oversight.

The report details the full architecture of this approach: environment lockdown, biometric identity verification, adaptive testing that mitigates content theft, encrypted communications, comprehensive audit trails, and continuous quality assurance through statistical analysis of proctor decisions. Most importantly, it demonstrates transparency in methodology, which is precisely what we need when evidencing due diligence in our sponsor duties.

Balancing accessibility, compliance, and assessment integrity

For institutions seeking to balance accessibility with accountability, the DET Security and Score Integrity Report offers a roadmap, providing the evidence base that compliance teams need to assess whether digital assessment meets the standard of assurance required for sponsor licence obligations. In an environment where regulatory scrutiny is intensifying, and institutions are held accountable for the robustness of their admissions processes, this level of transparency is essential.

The challenges facing the sector will not diminish. Regulatory scrutiny will continue to intensify, and the technological landscape will continue to evolve. What the DET Security White Paper offers is a transparent, detailed, and evidence-based account of how one assessment provider has approached these challenges. It is a helpful resource for those tasked with making informed decisions about the tools and processes that underpin institutional confidence in an increasingly complex compliance environment.

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