Attack Surface Management (EASM)
Attack surface management discovers all of your organisation’s internet-facing assets before attackers do, monitors them continuously and prioritises the riskiest ones. Unknown subdomains, forgotten servers and misconfigured cloud services become visible before anyone else notices them.
Why attack surface management?
Most attackers get into organisations through assets that are not even in the security team’s inventory: an old campaign site, a test environment, a forgotten server belonging to a subsidiary or a misconfigured cloud storage bucket. Annual penetration tests only show the state at the time of testing, while the attack surface changes every day.
Attack surface management closes that gap by monitoring your assets from where the attacker looks: from the outside, continuously.
What we discover and monitor
- Domains and subdomains, DNS records
- IP ranges, internet-facing ports and services
- Web applications, login and admin panels, APIs
- SSL/TLS certificates and configuration errors
- Cloud services and storage
- Forgotten, orphaned and shadow IT assets
- Subdomains open to takeover and exposed files
How it works
- Discovery: starting from your company name, domains and subsidiaries, internet-facing assets are found using passive and active techniques.
- Ownership mapping: each discovered asset is attributed to the company and team it belongs to.
- Risk analysis: every asset is scored by its exposed services, vulnerabilities and configuration errors.
- Continuous monitoring: new assets and changes are detected and alerts are raised for critical findings.
- Prioritisation and validation: critical findings are validated by our experts and delivered with remediation guidance.
OmniRoot for holdings and group companies
In holdings made up of many companies, the attack surface grows exponentially as each subsidiary runs its own domains and infrastructure. OmniRoot, our in-house external attack surface management platform, finds the internet-facing assets of every company in the group, shows how an attacker could use them and reports serious findings with re-runnable evidence. OmniRoot is coming soon; you can join our early access list.
Deliverables
- A continuously updated inventory of internet-facing assets
- A risk-scored list of exposures
- Alerts for new assets and critical findings
- Periodic attack surface reports for management
Why Omniverse?
- TSE TS 13638 accredited penetration testing firm: our methodology, people and reporting processes are independently audited.
- Certified team: TSE senior penetration testers and consultants holding OSCP, OSCE, CRTO and CISSP certifications.
- Manual validation: not automated scan output; every finding is proven through exploitation and false positives are removed.
- Sector experience: more than 50 enterprise clients, primarily in banking and finance, insurance, energy and critical infrastructure, automotive, retail and healthcare.
Frequently asked questions
What is the difference between attack surface management and penetration testing?
A penetration test examines a defined scope in depth at a given point in time. Attack surface management continuously discovers and monitors all of your internet-facing assets, including those missing from your inventory. The two complement each other.
What does EASM mean?
EASM (External Attack Surface Management) is the continuous discovery, monitoring and prioritisation of all of an organisation’s internet-accessible assets from an attacker’s point of view.
Why does attack surface management matter for holdings?
In holdings, each subsidiary manages its own domains and infrastructure, which leads to assets that cannot be seen from the centre and inconsistent security levels. Attack surface management brings the internet-facing assets of the whole group into a single inventory.
What is OmniRoot?
OmniRoot is the external attack surface management platform developed by Omniverse. It finds the internet-facing assets of every company in a holding or group, prioritises their risks and reports serious findings with evidence. It will be available soon.
Let’s define your scope together
Tell us what you need and we will prepare a tailored proposal.