CISO Tribune

Vendor comparison · 2 companies

Saepio vs UnderDefense

Saepio is a dedicated cyber security specialist whose team supports organisations across cloud, SaaS, identity, data and threat response. UnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents. CISO Tribune files both under Penetration testing and red team services. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Saepio
  • UnderDefense
Saepio vs UnderDefense: Products, Customers and Funding Compared
SaepioSaepio is a dedicated cyber security specialist whose team supports organisations across cloud, SaaS, identity, data and threat response.saepio.co.ukUnderDefenseUnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents.underdefense.com
What it sells
  • Cyber Advisory[1][7]Advisory services that benchmark a customer's posture against widely recognised frameworks.
  • Managed Services[1][4]Managed offerings that include M-SAT, M-THREAT and M-GRC.
  • Technical Services[1][10]Technical services to help customers assess, deploy and optimise security solutions.
  • Penetration Testing[1][2]Testing of applications, cloud configurations, human defences and government-grade environments.
  • M-THREAT[1][4][9]A Saepio managed service powered by SOCRadar.
  • M-GRC[1][4]A Saepio service that automates evidence collection and rationalises overlapping controls.
  • UnderDefense MAXI[1][2][3][5][6]A security and compliance automation platform. UnderDefense MAXI integrates with SIEMs, firewalls and endpoint protection solutions.
  • UnderDefense Agentic AI SOC[4]AI agents investigate each alert. Analysts on shift 24/7 decide what happens next.
  • MDR[1][2][6]Security experts monitor, detect and respond to incidents.
  • Cloud-based SIEM[2]A cloud-based SIEM that collects, analyzes and responds to security events.
  • CIS AWS Benchmark assessment[8]A self-service assessment of AWS security.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
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Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetUnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions. UnderDefense offers compliance templates to organizations working toward standards such as SOC2 and ISO 27001. UnderDefense MAXI provides executive-level reports for C-level readers.
Last verified
November 10, 2026October 26, 2026

Where they overlap

  • Saepio and UnderDefense are both filed under Penetration testing and red team services.

Where they differ, field by field

  • Saepio's primary category is Security resellers and integrators; UnderDefense's is MDR and managed SOC.
  • Saepio is also filed under Security consulting and advisory and Managed security service providers. UnderDefense is also filed under Compliance automation and SOAR and security automation.
  • Saepio lists Cyber Advisory, Managed Services, Technical Services, Penetration Testing, M-THREAT and 1 more. UnderDefense lists UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment.

What it sells: Saepio

What Cyber Advisory does[1][7]
Saepio measures an implementation against criticality and global frameworks like NIST. Following its advisory engagements, Saepio delivers a prioritised remediation roadmap that targets the most significant security gaps. Saepio provides specialist expertise to organisations pursuing Cyber Essentials Plus or maturing their cloud security posture.
What Managed Services does[1][4]
Saepio designs its managed services to bridge the gap between technical potential and operational reality. Saepio manages human risk through M-SAT and surfaces external threat intelligence via M-THREAT.
What Technical Services does[1][10]
Saepio's Triple-A Services (ASSESS, ADOPT and ADAPT) provide a full lifecycle of professional services. Saepio offers an AAA Technical Account Management (TAM) service.
What Penetration Testing does[1][2]
Saepio validates multi-cloud configurations to uncover identity weaknesses and misconfigurations. Saepio assesses human cyber defences by simulating phishing, vishing and physical access techniques. Saepio provides CHECK-approved testing and IT Health Checks for government-grade environments.
What M-THREAT does[1][4][9]
M-THREAT is a Saepio managed service powered by SOCRadar that provides intelligence and expert analysis. Saepio provides 24/7 monitoring of the deep and dark web to stop external threats early. Saepio manages the takedown of fake accounts and phishing domains.

What it sells: UnderDefense

What UnderDefense MAXI does[1][2][3][5][6]
UnderDefense MAXI natively monitors endpoints, networks, users and decoy beacons. UnderDefense MAXI provides ready-to-use playbooks, AI-powered alert enrichment and notifications through Slack, Jira or a preferred tool. UnderDefense MAXI provides pre-built compliance templates for standards such as SOC2 and ISO 27001.
What UnderDefense Agentic AI SOC does[4]
UnderDefense Agentic AI SOC uses AI agents that investigate each alert. Analysts on shift 24/7 decide what happens next.
What CIS AWS Benchmark assessment does[8]
UnderDefense offers a self-service CIS AWS Benchmark assessment. The assessment covers evaluating the maturity of cloud security controls, identifying misconfigurations, providing detailed mitigation instructions and giving a summary table with a final CVSS v3.0 score.

Questions about Saepio and UnderDefense

What do Saepio and UnderDefense sell?
Saepio sells Cyber Advisory, Managed Services, Technical Services, Penetration Testing, M-THREAT and 1 more. UnderDefense sells UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment.
Are Saepio and UnderDefense in the same category?
They share Penetration testing and red team services. Saepio's primary category is Security resellers and integrators and UnderDefense's is MDR and managed SOC.
Who are Saepio and UnderDefense sold to?
UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions.

About Saepio

Saepio is a dedicated cyber security specialist whose team supports organisations across cloud, SaaS, identity, data and threat response. More than 1,000 organisations across the UK rely on Saepio to strengthen their cyber resilience. Saepio's clients span sectors including financial services, legal, technology, healthcare and professional services. Saepio helps corporate customers across the UK and Europe build real cyber resilience. Saepio is an NCSC Assured Service Provider. Saepio acquired Ruptura InfoSecurity, a specialist in penetration testing and technical security assurance.[1][3]

Saepio says most organisations are suffering from tool sprawl and fragmented ownership. Saepio says most organisations are overwhelmed by technical debt, making it difficult to identify which risks truly matter to the board. Saepio organises its work around three areas of cyber resilience: Policy, People and Product. Saepio acts as a cyber security partner to introduce policy changes, coach better people practices and eliminate product bottlenecks.[4][5][6]

Saepio provides cyber advisory services to benchmark a customer's posture against widely recognised frameworks. Saepio measures an implementation against criticality and global frameworks like NIST. Following its advisory engagements, Saepio delivers a prioritised remediation roadmap that targets the most significant security gaps. Saepio provides specialist expertise to organisations pursuing Cyber Essentials Plus or maturing their cloud security posture. For cyber crises, Saepio provides emergency assistance to contain, neutralise and recover. Saepio provides around-the-clock support to manage the entire incident lifecycle. Saepio isolates affected systems immediately to stop the spread of an attack. Saepio carries out DFIR to identify root causes and preserve critical evidence. Saepio provides managed communication and strategy for ransomware and extortion events. Saepio's incident support includes specialist advisory for communicating with legal teams, insurers and regulators.[5][7][8]

Saepio designs its managed services to bridge the gap between technical potential and operational reality. Saepio manages human risk through M-SAT and surfaces external threat intelligence via M-THREAT. Saepio provides managed security awareness training. Saepio wraps its training and HRM platforms into a fully managed service offering. M-THREAT is a Saepio managed service powered by SOCRadar that provides intelligence and expert analysis. Saepio provides 24/7 monitoring of the deep and dark web to stop external threats early. Saepio's UK-based analysts act as a bolt-on extension to a customer's security team and escalate only critical, validated issues. Saepio manages the takedown of fake accounts and phishing domains. Saepio says the UK faces pressure from international threat actors, particularly across the finance, insurance and retail sectors. Saepio's compliance work spans ISO 27001, DORA and NIS2.[1][4][9]

Saepio offers a range of technical services to help customers assess, deploy and optimise security solutions. Saepio's Triple-A Services (ASSESS, ADOPT and ADAPT) provide a full lifecycle of professional services. Saepio offers an AAA Technical Account Management (TAM) service.[7][10][11]

Saepio runs multi-phase adversary simulations to test security maturity. Saepio assesses human cyber defences by simulating phishing, vishing and physical access techniques. Saepio validates multi-cloud configurations to uncover identity weaknesses and misconfigurations. Saepio provides CHECK-approved testing and IT Health Checks for government-grade environments.[1][4][6][7][8][10][11][12]

Saepio on the record

Sources

Saepio full record

  1. [1]saepio.co.ukSaepio · saepio.co.uk · undated page, accessed November 10, 2026 · Tier A
  2. [2]Company | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  3. [3]Saepio Careers | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  4. [4]Managed Services | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  5. [5]Cyber Advisory & Security Strategy Specialists | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  6. [6]Why Saepio? | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  7. [7]UK's Best-Rated Cyber Security Specialist | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  8. [8]24/7 Incident Response | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  9. [9]M-THREAT | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  10. [10]Saepio | Triple-A ServicesSaepio · undated page, accessed November 11, 2026 · Tier A
  11. [11]Cyber Security Technical Services | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A
  12. [12]Services | SaepioSaepio · undated page, accessed November 11, 2026 · Tier A

UnderDefense full record

  1. [1]underdefense.comUnderDefense · underdefense.com · undated page, accessed October 26, 2026 · Tier A
  2. [2]Compliance PricingUnderDefense · undated page, accessed November 10, 2026 · Tier A
  3. [3]Agentic AI SOC & Compliance Automation Platform | UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  4. [4]Elastic Cloud Pricing 2026: Serverless, Hosted, and SIEMUnderDefense · undated page, accessed November 10, 2026 · Tier A
  5. [5]Cloudflare Pricing 2026: WAF, Zero Trust, and EnterpriseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  6. [6]Palo Alto Networks Pricing 2026: Firewalls, SASE, and XDRUnderDefense · undated page, accessed November 10, 2026 · Tier A
  7. [7]2025 MXDR Pricing Guide: Choosing the Right MXDR providerUnderDefense · undated page, accessed November 10, 2026 · Tier A
  8. [8]Episode 4: Cyber Resilience 201 — AWS Cloud Security - UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  9. [9]E-Mail Under Attack - UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  10. [10]UnderDefense MAXI Reviews & Product DetailsG2 · undated page, accessed November 10, 2026 · Tier C

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