Continuous Security
Continuously discover, prioritise and validate the exposures an attacker could use against you — so your team works a short, trustworthy list of what to fix first, delivered through Sentry.
Continuous threat exposure management (CTEM) is the practice of continuously discovering, prioritising, and validating the exposures an attacker could use against your organisation — rather than relying on periodic scans and annual assessments that age the moment they finish.
Sentry CTEM is Blackfoot's managed CTEM service. It combines continuous attack surface discovery, automated vulnerability scanning across infrastructure, applications and cloud, lookalike-domain detection, and leaked-credential monitoring — then applies AI enrichment and analyst verification so that what reaches your team is a short, trustworthy, prioritised list of what to fix first. Everything is delivered through the Sentry platform.
It is particularly relevant to organisations facing compliance obligations under ISO 27001, PCI DSS, or Cyber Essentials, those with cyber insurance requirements for continuous scanning evidence, and any organisation whose estate changes faster than its assessment cycle.
The problem CTEM solves is simple to state: a vulnerability report from last quarter describes an estate that no longer exists. New assets are provisioned, cloud configurations drift, credentials leak, and lookalike domains are registered — all between assessments. CTEM replaces that snapshot with a living picture, continuously refreshed and continuously prioritised. It does not replace penetration testing; it fills the gap between tests with breadth, prioritisation, and validation, and its findings directly inform pentest scoping.
Sentry CTEM brings together five modules: attack surface management, continuous vulnerability management, domain monitoring, breach and credential monitoring, and — being introduced as it becomes available — attack path analysis. Each module is available standalone, and all run on the Sentry platform, so you can start with the coverage you need today and expand to the full programme without re-onboarding.
The service is delivered remotely on subscription, in three tiers — Essential, Managed, and Managed Plus — reflecting the level of analyst involvement, verification, and remediation support your team needs. AI enrichment is baseline on every tier, not an add-on, and every tier includes full Sentry access, ticketing integration, and compliance-aligned reporting.
Blackfoot is a CREST-accredited cybersecurity consultancy delivering technical security services across financial services, healthcare, professional services, retail, and technology sectors. Sentry CTEM is delivered by the team responsible for Blackfoot's penetration testing practice, meaning findings are enriched, verified, and prioritised by practitioners with hands-on offensive security experience — not just tool operators. The Sentry platform underpins CTEM and Blackfoot's penetration testing engagements, giving clients a single consolidated view across continuous exposure management and point-in-time assessment.
Assets, vulnerabilities, cloud posture, brand impersonation, and leaked credentials in a single platform.
Continuous discovery finds shadow IT and forgotten hosts before attackers do, and feeds them straight into scanning.
AI enrichment and analyst verification mean your team works a short, prioritised, trustworthy list.
New exposures surface in days, not at the next annual assessment.
Audit-ready reporting for ISO 27001, PCI DSS Requirement 11, and Cyber Essentials.
Blackfoot runs the tooling and the programme; your team focuses on fixing.
Onboarding captures your seed assets, scan domains, and the assets that matter most to your business.
Continuous discovery maps your internet-facing estate while scheduled scanning assesses infrastructure, applications, and cloud posture; domain and credential monitoring watch for impersonation and leaks.
Every finding is AI-enriched with contextual severity, confidence, and remediation guidance.
On managed tiers, Blackfoot analysts verify flagged findings and suppress false positives before they reach your queue.
Findings land in Sentry with clear ownership, tracking, and compliance-aligned reporting — and the cycle repeats.
Straight answers to what prospective clients ask us most.
Vulnerability management scans known assets for known vulnerabilities. CTEM is a broader programme: it continuously discovers what you actually have exposed (including assets you did not know about), assesses it across infrastructure, applications, cloud, brand, and credentials, prioritises what it finds using business context, and validates that findings are real before your team acts. Vulnerability management is one module within Sentry CTEM.
No. Penetration testing provides expert-led exploitation depth at a point in time; Sentry CTEM provides continuous breadth, prioritisation, and validation between tests. They are complementary — CTEM findings directly inform pentest scoping, and many clients use both.
Yes. Vulnerability management (Sentry CVM), attack surface management (Sentry ASM), domain monitoring, and breach & credential monitoring are each available standalone, and all run on the Sentry platform — so you can start narrow and expand to the full CTEM programme without re-onboarding.
Every finding is automatically assessed for confidence (is it likely real?), re-ranked for severity using real-world context (exposure, exploitability, asset role), given a contextual risk narrative specific to your environment, and paired with practical remediation guidance. Findings that need human confirmation are flagged, and on managed tiers Blackfoot analysts follow these up and suppress verified false positives before they reach you.
Microsoft Azure, Microsoft 365, Amazon Web Services, Google Cloud Platform, and Oracle Cloud Infrastructure, using read-only API access — no agents or network connectivity to your cloud environment required.
Typically three to four weeks from contract signature to a full baseline: discovered asset inventory, first scan results across your subscribed domains, and monitoring baselines, with a guided walkthrough in Sentry.
Attack path analysis correlates findings from across the service into chains showing how an attacker could move from an internet-facing entry point to the assets that matter most to your business, with each step backed by evidence. It produces an attack path diagram and prioritised remediation guidance — including which single fix removes the most risk. This capability is in development and will be introduced to Sentry CTEM subscriptions as it becomes available.
Get a fixed-scope quote, usually the same working day.
