CISO Tribune

Vendor comparison · 2 companies

Blue Mantis vs DeepSeas

Blue Mantis combines 24/7 MDR, threat hunting, vulnerability management, cloud security, GRC, ransomware defense, penetration testing and red teaming to prioritize remediation and strengthen resilience. DeepSeas sells cybersecurity services that range from strategic guidance to offensive testing and 24/7 defense, aimed at lean teams protecting complex environments. CISO Tribune files both under Penetration testing and red team services and Vulnerability management. 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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  • Blue Mantis
  • DeepSeas
Blue Mantis vs DeepSeas: Products, Customers and Funding Compared
Blue MantisBlue Mantis combines 24/7 MDR, threat hunting, vulnerability management, cloud security, GRC, ransomware defense, penetration testing and red teaming to prioritize remediation and strengthen resilience.bluemantis.comDeepSeasDeepSeas sells cybersecurity services that range from strategic guidance to offensive testing and 24/7 defense, aimed at lean teams protecting complex environments.deepseas.com
What it sells
  • Managed Cybersecurity[1][4]Baseline protection, unified detection and response, threat hunting and GRC as a Service in one coordinated program.
  • Cloud Security[1][2]M365 controls assessment, cloud posture review, migration architecture and FinOps-integrated security planning.
  • Threat Intelligence[1][4][9]DeepSeas analysts study how adversaries operate and gather the data on the DeepSeas platform.
  • CyberFusion SOC[1][8]A dedicated SOC where intelligence, detection and response work as one loop.
  • DeepSeas Complete[1][5][6]A cyber defense program that starts with Endpoint MDR and puts 50+ services within reach under one agreement.
Categories
Headquarters
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Founded
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Ownership and funding
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Named customers
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Recent news
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G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Blue Mantis offers Cybersecurity and Governance services to clients that want to identify risk, close security gaps, meet compliance requirements and prevent incidents. Blue Mantis aligns its risk, vendor and asset management services to CMMC, GDPR, ISO 27001, NIST and SOC 2 compliance requirements. Blue Mantis sells cloud and infrastructure work to organizations modernizing data center, cloud, network and recovery.From its own pages, DeepSeas sells mainly to growing organizations with mixed environments that are run by lean security teams. DeepSeas addresses organizations that are not small businesses but do not have enterprise-sized teams and budgets. DeepSeas MDR covers IT, cloud, identity, mobile devices and OT environments, including production floors and medical systems. For buyers who already run an EDR or SIEM, DeepSeas says it operates and tunes that tooling, and it brings its own where none exists. DeepSeas offers audit readiness and compliance support to regulated industries.
Last verified
October 19, 2026November 11, 2026

Where they overlap

  • Blue Mantis and DeepSeas are both filed under Penetration testing and red team services and Vulnerability management.

Where they differ, field by field

  • Blue Mantis's primary category is Managed security service providers; DeepSeas's is MDR and managed SOC.
  • Blue Mantis is also filed under Security consulting and advisory. DeepSeas is also filed under Threat intelligence.
  • Blue Mantis lists Managed Cybersecurity and Cloud Security. DeepSeas lists Threat Intelligence, CyberFusion SOC and DeepSeas Complete.

What it sells: Blue Mantis

What Managed Cybersecurity does[1][4]
Blue Mantis provides continuous monitoring, threat detection, response, threat hunting and compliance support through one coordinated managed cybersecurity program. Blue Mantis combines 24/7 MDR, threat hunting, vulnerability management, cloud security and GRC, among other services.
What Cloud Security does[1][2]
Blue Mantis offers M365 controls assessment, cloud posture review, migration architecture and FinOps-integrated security planning. Blue Mantis combines cloud security with 24/7 MDR, threat hunting and vulnerability management.

What it sells: DeepSeas

What Threat Intelligence does[1][4][9]
DeepSeas has a team of reverse engineers, threat analysts and forensics experts that continuously strengthens its threat intelligence base. Analysts write a new detection rule when a hypothesis is confirmed. Validated findings become detection rules that deploy automatically across every monitored environment.
What CyberFusion SOC does[1][8]
The CyberFusion SOC emphasizes proactive threat hunting, engaging across different teams to stay ahead of potential threats. The CyberFusion SOC provides solutions based on client-specific needs, industry verticals and risk appetites. The CyberFusion SOC uses an integrated, cyclical model with interconnected components like threat intelligence, detection engineering and incident response.
What DeepSeas Complete does[1][5][6]
Endpoint MDR is the only service a buyer has to buy, and everything else is optional. Every service in DeepSeas Complete runs on credits, which buyers purchase in blocks sized to their program. Elective Credits can be applied across 50+ services, including security testing, assessments and advisory engagements.

Questions about Blue Mantis and DeepSeas

What do Blue Mantis and DeepSeas sell?
Blue Mantis sells Managed Cybersecurity and Cloud Security. DeepSeas sells Threat Intelligence, CyberFusion SOC and DeepSeas Complete.
Are Blue Mantis and DeepSeas in the same category?
They share Penetration testing and red team services and Vulnerability management. Blue Mantis's primary category is Managed security service providers and DeepSeas's is MDR and managed SOC.
Who are Blue Mantis and DeepSeas sold to?
Blue Mantis offers Cybersecurity and Governance services to clients that want to identify risk, close security gaps, meet compliance requirements and prevent incidents. From its own pages, DeepSeas sells mainly to growing organizations with mixed environments that are run by lean security teams.

About Blue Mantis

Blue Mantis combines 24/7 MDR, threat hunting, vulnerability management, cloud security, GRC, ransomware defense, penetration testing and red teaming to prioritize remediation and strengthen resilience. Blue Mantis has capabilities across infrastructure, cloud, security and managed services.[1][2][3]

Blue Mantis offers penetration testing, social engineering and red team operations to validate exposure from the attacker's view. Blue Mantis offers baseline protection, unified detection and response, threat hunting and GRC as a Service in one coordinated program. Blue Mantis provides continuous monitoring, threat detection, response, threat hunting and compliance support through one coordinated managed cybersecurity program. Blue Mantis offers risk, vendor and asset management aligned to CMMC, GDPR, ISO 27001, NIST and SOC 2 compliance requirements.[1][2][3][4]

Blue Mantis evaluates and modernizes firewall, SASE, Zero Trust and micro-segmentation to close exploitable network gaps. Blue Mantis offers M365 controls assessment, cloud posture review, migration architecture and FinOps-integrated security planning. Blue Mantis offers identity-first Zero Trust access including SASE, identity and access management and endpoint protection controls. Blue Mantis offers Sentinel and Defender deployment, Purview DLP, passwordless authentication and hardened Entra ID and M365 controls. Blue Mantis offers AI risk assessment, governance frameworks, data security for Copilot, and ongoing AI monitoring and compliance. Blue Mantis offers business impact analysis, continuity and disaster recovery planning, immutable backup design and managed backup services.[1][2]

Blue Mantis helps organizations modernize the infrastructure their business runs on, across data center, cloud, network and recovery. Blue Mantis modernizes compute, storage, virtualization, databases and recovery platforms, and builds the foundation AI workloads will need. Blue Mantis works from a roadmap tied to business outcomes to plan the first migration, modernize what is already running, or optimize a mature environment. Blue Mantis helps decide where every application should run across cloud, on-premises, hosted and SaaS, then keeps it optimized as needs change.[5]

Blue Mantis helps clients make sure the data foundation is ready, trusted, governed and secure. Blue Mantis assesses AI readiness and designs scalable agents, models and workflows for real operations. Blue Mantis helps organizations identify, design and scale practical AI capabilities, from use case prioritization and data readiness to solution architecture, governance and production rollout. Blue Mantis manages analytics environments through platform management, pipeline monitoring, model maintenance and on-demand BI delivery. Blue Mantis unifies disparate data sources and automates complex flows for analytics and AI. Blue Mantis offers BIaaS, which delivers real-time analytics on demand with no on-premises infrastructure required.[3][4][6]

Blue Mantis designs the network architecture, manages security policy across it, delivers SASE and edge connectivity, tunes wireless performance for a mobile workforce, and architects and manages the firewall estate. Blue Mantis delivers cloud calling, meetings and messaging, and contact center capability as a managed service, so voice, video and chat run on shared infrastructure. Blue Mantis supports the technology employees use every day, including endpoint lifecycle, service desk automation and secure collaboration tools. Blue Mantis platform specialists support ServiceNow environments, helping stabilize the environment, manage demand and improve governance.[4][7][8][9]

Blue Mantis presents 2–3 expert candidates within three days of the initial scoping call. Blue Mantis works with organizations in financial services, healthcare and other regulated industries.[1][2][3][5][10]

Blue Mantis on the record

Sources

Blue Mantis full record

  1. [1]Cybersecurity and governanceBlue Mantis · bluemantis.com · undated page, accessed October 19, 2026 · Tier A
  2. [2]Cybersecurity and Governance | Managed Security ServicesBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  3. [3]Mantis Insights | Data Strategy, Governance and AnalyticsBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  4. [4]IT Services | Managed Services, Cloud, Networking, DataBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  5. [5]Cloud and Infrastructure Solutions | Blue MantisBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  6. [6]AI and Data Solutions | Strategy, Analytics and GovernanceBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  7. [7]Network Architecture, SASE and Wireless | Blue MantisBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  8. [8]Unified Communications and UCaaS | Blue MantisBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  9. [9]IT Solutions | Cybersecurity, Cloud, AI, Digital WorkplaceBlue Mantis · undated page, accessed November 10, 2026 · Tier A
  10. [10]IT Staff Augmentation and Resource Management | Blue MantisBlue Mantis · undated page, accessed November 10, 2026 · Tier A

DeepSeas full record

  1. [1]deepseas.comDeepSeas · deepseas.com · undated page, accessed November 11, 2026 · Tier A
  2. [2]New cyber defense brand deepseas to unite newly acquired commercial managed threat services business from booz allen hamilton with security on demandDeepSeas · deepseas.com · published December 8, 2022 · Tier A
  3. [3]Multinational pharma company chooses deepseas for vulnerability management attack surface reductionDeepSeas · deepseas.com · undated page, accessed November 11, 2026 · Tier A
  4. [4]Why Choose Our MDR Platform | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  5. [5]DeepSeas Complete: Security That Keeps Pace | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  6. [6]All-in-One Cyber Defense Platform | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  7. [7]MDR Solution for Enterprise Teams | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  8. [8]Cyber Fusion SOC Platform | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  9. [9]Threat Intelligence & Threat Hunting Solution | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  10. [10]Offensive Security & Pen Testing | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  11. [11]Top MDR & Cyber Defense Solutions | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  12. [12]GRC & Cyber Defense Integration | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A
  13. [13]Strategic Security Advisory & Cyber Leadership | DeepSeasDeepSeas · undated page, accessed November 11, 2026 · Tier A

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