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Perspective//6 min read

Cyber underwriting needs telemetry, not questionnaires

The current reliance on static questionnaires for cyber underwriting yields an incomplete and often misleading risk profile. A shift towards dynamic, continuous telemetry offers a more accurate, actionable, and sustainable path forward.

By the Lanthos partnership
Illustration for the article “Cyber underwriting needs telemetry, not questionnaires”

The chief information security officer, hunched over a laptop in a quiet office, stares at a familiar sight: a meticulously structured spreadsheet, delivered by their insurer's broker, laden with hundreds of questions. Each cell demands a precise affirmation or denial, an intricate dance through technical controls, policy attestations, and procedural confirmations. This annual ritual, often perceived as a necessary inconvenience, forms the bedrock of their organisation's cyber insurance policy renewal. Yet, the CISO knows, as does the underwriter who will eventually scrutinise these responses, that this static snapshot, taken at a single point in time, offers an imperfect, often incomplete, and inherently backward-looking reflection of an organisation’s true cyber risk posture. The very act of completing it creates an immediate obsolescence, a digital fossil in a perpetually evolving threat landscape. The inherent limitations of this approach have become glaringly apparent, casting a long shadow over the efficacy and reliability of cyber underwriting as a whole.

the inadequacy of static attestations

The prevailing methodology in cyber insurance underwriting is largely predicated on a system of self-attestation. Organisations complete detailed questionnaires, providing responses that describe their security controls, incident response plans, and overall cyber hygiene. These responses are then fed into actuarial models, influencing premium calculations and coverage terms. While this process offers a standardised means of data collection, its fundamental flaw lies in its static nature. A questionnaire, however exhaustive, captures a moment in time. Cyber risk, by contrast, is dynamic and ceaseless. New vulnerabilities emerge hourly, attack vectors mutate, and an organisation's own infrastructure undergoes constant change, often without immediate reflection in a yearly attestation.

Furthermore, the very act of completing a questionnaire can introduce distortions. There exists a natural human tendency towards optimism bias, wherein self-reported data may inadvertently overstate an organisation's preparedness or understate its vulnerabilities. Discrepancies can also arise from a lack of complete visibility within complex, distributed environments, where a single CISO or security team may not possess a granular, real-time understanding of every asset's configuration or every control's operational effectiveness. The gap between what is reported and what is actual creates an inevitable chasm in risk assessment, leading to policies that may be either over-priced for the insured or under-priced for the insurer, fostering a market built on potentially shaky foundations.

the emergent imperative of telemetry

The limitations of static attestations necessitate a fundamental re-evaluation of how cyber risk is assessed for underwriting purposes. The solution lies in a paradigm shift towards continuous, objective observation of an organisation's security posture — a process often referred to as telemetry. Telemetry, in this context, refers to the automated collection and transmission of data from diverse sources within an organisation’s digital ecosystem. This includes, but is not limited to, endpoint security logs, network traffic data, vulnerability scan results, configuration management databases, and cloud security posture management outputs. Unlike questionnaires, telemetry provides a constant, real-time stream of empirical evidence concerning the operational state of security controls and the presence of vulnerabilities.

This continuous data feed offers several transformative advantages. Firstly, it moves beyond subjective self-reporting to objective measurement. Instead of asking if multi-factor authentication is enforced, telemetry can confirm its active deployment and usage rates across specified user groups. Instead of inquiring about patch management policies, it can reveal the actual patch levels of critical systems and the average time to remediation for identified vulnerabilities. Secondly, telemetry provides a dynamic risk profile. It reflects changes as they occur, offering underwriters a far more accurate and up-to-date understanding of an organisation's fluctuating exposure. This shift from a static snapshot to a live video feed is critical in a threat landscape defined by its rapid evolution.

bridging the data divide

The transition from questionnaires to telemetry is not without its complexities. It requires a collaborative effort between insured organisations, insurers, and potentially, specialised technology providers. For organisations, it entails a willingness to share granular, sensitive security data, albeit in an aggregated and anonymised fashion, with their insurers. This demands robust trust frameworks and clear understandings of data privacy and security protocols. Insurers, on their part, must develop the capabilities to ingest, normalise, and analyse vast quantities of disparate telemetry data. This involves significant investment in data engineering, machine learning, and specialised cyber risk analytics platforms. The objective is not simply to collect data, but to derive actionable intelligence that directly informs risk assessment and pricing models.

A key challenge lies in standardisation. The diverse array of security tools and platforms employed by organisations generates telemetry in myriad formats. Effective aggregation and analysis will necessitate common data models or robust translation layers. Furthermore, the focus should remain on material telemetry – that which directly correlates with measurable risk reduction or increased exposure. Not every log event holds equal significance for underwriting purposes. The refinement of these telemetry streams, identifying the salient indicators of risk, will be an ongoing and iterative process, demanding continuous collaboration and feedback loops between all parties involved in the cyber insurance ecosystem.

redefining risk and value

The adoption of telemetry for cyber underwriting stands to fundamentally redefine how risk is both perceived and managed within the insurance domain. For insurers, it promises a significant reduction in information asymmetry. With a clearer, more objective understanding of an insured’s real-time security posture, pricing can become more precise, aligning premiums more closely with actual risk. This precision fosters greater market stability and enables the development of more tailored and effective coverage. It also shifts the insurer's role from reactive claim processing to proactive risk partnership, encouraging and even incentivising improved security hygiene through data-driven insights.

For insured organisations, the benefits are equally compelling. Beyond potentially more equitable premiums, continuous telemetry provides an invaluable feedback mechanism. The insights derived by insurers can be shared back, highlighting specific areas of vulnerability or control deficiencies that require immediate attention. This transforms the underwriting process from a compliance exercise into a continuous improvement cycle, fostering stronger security outcomes. Moreover, organisations with demonstrably superior security postures, evidenced by objective telemetry, will be able to differentiate themselves, potentially accessing more favourable terms and a wider range of coverage options. The value proposition shifts from simply transferring risk to actively reducing it through shared intelligence and empirical validation.

beyond mere compliance

The current reliance on questionnaires fosters a compliance mindset, where the objective can often be to merely satisfy the stated requirements rather than to fundamentally improve security. This can lead to a 'checkbox' mentality, where controls are implemented on paper but may lack full operational effectiveness. Telemetry, by its very nature, demands a move beyond this. It scrutinises the operational reality of security controls, providing an empirical basis for evaluation. If a control is not truly effective, or if its implementation is flawed, the telemetry will reveal this, forcing a re-evaluation that goes beyond mere attestation.

This shift also enables a more nuanced understanding of emerging risks. As new threats materialise, their impact and the efficacy of countermeasures can be observed and quantified through telemetry much faster than through a cycle of annual questionnaire revisions. This agility is crucial in maintaining pace with an adversary that innovates relentlessly. The insurance product itself can evolve, moving towards dynamic pricing models or even offering proactive recommendations and services based on real-time risk indicators. The ultimate objective is to cultivate a cyber insurance market that is not simply reactive to incidents, but an integral part of a broader, proactive cyber resilience strategy.

Leaders within the insurance sector must recognise that the future of cyber underwriting lies in embracing empirical, continuous data. This necessitates strategic investment in data science capabilities, fostering deep collaboration with technology and security experts, and courageously rethinking long-established risk assessment paradigms. The path forward involves architecting robust platforms for secure telemetry ingestion and analysis, moving beyond the static questionnaire to a dynamic, verifiable understanding of risk. This fundamental reorientation will unlock more precise pricing, drive better security outcomes for insureds, and ultimately establish a more resilient and sustainable cyber insurance market for all participants.