CISO Tribune

Vendor comparison · 2 companies

Fidelis vs Sophos

Fidelis sells a range of solutions that includes XDR, NDR, EDR and CNAPP, offered for proactive cyber defense. Sophos sells security solutions managed through Sophos Fusion, a single cloud-based platform for IT security protection. CISO Tribune files both under EDR and XDR. 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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  • Fidelis
  • Sophos
Fidelis vs Sophos: Products, Customers and Funding Compared
FidelisFidelis sells a range of solutions that includes XDR, NDR, EDR and CNAPP, offered for proactive cyber defense.fidelissecurity.comSophosSophos sells security solutions managed through Sophos Fusion, a single cloud-based platform for IT security protection.sophos.com
What it sells
  • Fidelis Elevate[3][4]Fidelis Elevate is an XDR platform. Fidelis Elevate correlates threats across network, endpoint and cloud.
  • Fidelis Network[1][3][4]Fidelis Network is an NDR platform with network traffic analysis and network behaviour anomaly detection.
  • Fidelis Endpoint[1][3][4]Fidelis Endpoint is an EDR solution that gives hands-on control to pinpoint and eradicate threats.
  • Fidelis Deception[1][3][4]Fidelis Deception delivers alerts and events from decoys, AD credentials, poisoned data and suspicious traffic.
  • Fidelis Active Directory Intercept[1][3][4]Fidelis Active Directory Intercept combines an AD-aware NDR platform with Active Directory deception technology.
  • Sophos Fusion[6][7][10]Sophos Fusion is a single cloud-based platform for managing IT security protection.
  • Sophos Firewall[1][10]Sophos Firewall includes features for higher education, K-12, and primary and secondary institutions.
  • Sophos Managed Detection and Response[7]Sophos describes fully managed, 24/7 detection and response.
Categories
Headquarters
Not stated on its pagesOxford, United Kingdom[2]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesOwned by Thoma Bravo since 2020[3][7][8][9]
Named customers
Not stated on its pages
  • Jotun[4]
  • National 9/11 Memorial & Museum[4]
  • London South Bank University[4]
  • Town of Gilbert[4]
  • DFS Group[4]
Recent news
Not stated on its pages
  • October 1, 2026Sophos launched CISO Advantage, an agentic AI service that links security operations to security strategy, rolling out across North America, the UK and Europe.[5]
  • July 15, 2026Sophos announced Sophos Fusion, a defense system combining its endpoint, network, email, cloud, identity and security operations products in one architecture.[6]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[8]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
A hospital is named as a customer that uses Fidelis Security for network security. Fidelis describes continuous monitoring and protection for legal and healthcare data. Fidelis Halo is a platform for protection and compliance across cloud, hybrid and on-premises workloads. Fidelis Endpoint provides EDR protection on-premises and in the cloud.From its own pages, Sophos sells mainly to distributed and growing enterprises with complex networks, which its XGS 2U firewalls target. Sophos also sells firewalls for SMB and branch offices, and plug-and-play security for smaller branch offices and remote sites. Sophos Firewall includes features tailored to higher education, K-12, and primary and secondary institutions.
Last verified
November 6, 2026September 27, 2026

Where they overlap

  • EDR and XDR is the primary category of both Fidelis and Sophos.

Where they differ, field by field

  • Fidelis is also filed under Network detection and response, Deception technology and Cloud-native application protection (CNAPP). Sophos is also filed under Firewalls and NGFW and MDR and managed SOC.
  • Fidelis lists Fidelis Elevate, Fidelis Network, Fidelis Endpoint, Fidelis Deception and Fidelis Active Directory Intercept. Sophos lists Sophos Fusion, Sophos Firewall and Sophos Managed Detection and Response.
  • Sophos is headquartered in Oxford, United Kingdom.
  • Sophos is owned by Thoma Bravo, since 2020.
  • Sophos publicly names Jotun, National 9/11 Memorial & Museum, London South Bank University, Town of Gilbert and DFS Group.

How they differ

CISO Tribune files both Fidelis and Sophos under EDR and XDR as their primary category, though their other filings diverge. CISO Tribune also files Fidelis under Network detection and response, Deception technology, and Cloud-native application protection (CNAPP). CISO Tribune files Sophos under Firewalls and NGFW and under MDR and managed SOC.

Fidelis sells Fidelis Elevate, an XDR platform that correlates threats across network, endpoint and cloud. It also sells Fidelis Network for NDR, Fidelis Endpoint for EDR, Fidelis Deception, and Fidelis Active Directory Intercept, which combines an AD-aware NDR platform with Active Directory deception technology. Fidelis Halo is its platform for protection and compliance across cloud, hybrid and on-premises workloads. Sophos sells Sophos Fusion, a single cloud-based platform for managing IT security protection that integrates natively with Sophos solutions and 500+ third-party technologies. Sophos also sells Sophos Firewall, including XGS 2U appliances, and Sophos Managed Detection and Response, which it describes as fully managed, 24/7 detection and response. Sophos additionally sells multi-gigabit switches and a cloud-managed Wi-Fi solution.

Sophos is headquartered in Oxford, United Kingdom, and has been owned by Thoma Bravo since 2020. Sophos publicly names Jotun, National 9/11 Memorial & Museum, London South Bank University, Town of Gilbert and DFS Group as customers. Fidelis names a hospital as a customer using Fidelis Security for network security. On July 15, 2026, Sophos announced Sophos Fusion, and on October 1, 2026, it launched CISO Advantage, an agentic AI service.

What it sells: Fidelis

What Fidelis Elevate does[3][4]
Fidelis Elevate is an XDR platform. Fidelis Elevate correlates threats across network, endpoint and cloud. Fidelis Elevate automates detection and response workflows.
What Fidelis Network does[1][3][4]
Fidelis Network is an NDR platform with network traffic analysis and network behaviour anomaly detection across all ports and protocols. Fidelis Network retains metadata for up to 360 days to support investigations and compliance.
What Fidelis Deception does[1][3][4]
Fidelis Deception delivers alerts and events from decoys, AD credentials, poisoned data and suspicious traffic. Fidelis Deception monitors IoT and cloud resources as deceptive objects.
What Fidelis Active Directory Intercept does[1][3][4]
Fidelis Active Directory Intercept combines an AD-aware NDR platform, integrated Active Directory deception technology and foundational AD log and event monitoring. Fidelis Active Directory Intercept monitors for suspicious changes and privilege escalation attempts.

What it sells: Sophos

What Sophos Fusion does[6][7][10]
Sophos Fusion integrates natively with Sophos solutions and 500+ third-party technologies. The Sophos Fusion dashboard consolidates all alerts. Fusion AI is the intelligence layer within Sophos Fusion.
What Sophos Firewall does[1][10]
Sophos Firewall includes built-in policies for CIPA and predefined activities. Sophos Firewall includes features like SafeSearch, YouTube restrictions, and keyword filtering. Sophos Firewall uses dynamic firewall rules and lateral movement protection to isolate a compromised host.
What Sophos Managed Detection and Response does[7]
Sophos quotes simple per-user and per-server pricing with no hidden extras. Sophos describes three Response Modes.

Questions about Fidelis and Sophos

What do Fidelis and Sophos sell?
Fidelis sells Fidelis Elevate, Fidelis Network, Fidelis Endpoint, Fidelis Deception and Fidelis Active Directory Intercept. Sophos sells Sophos Fusion, Sophos Firewall and Sophos Managed Detection and Response.
Are Fidelis and Sophos in the same category?
Yes. EDR and XDR is the primary category of both on CISO Tribune.
Where are Fidelis and Sophos headquartered?
Sophos is headquartered in Oxford, United Kingdom.
Who owns Fidelis and Sophos?
Sophos is owned by Thoma Bravo, since 2020.
Which customers do Fidelis and Sophos name?
Sophos publicly names Jotun, National 9/11 Memorial & Museum, London South Bank University, Town of Gilbert and DFS Group.
Who are Fidelis and Sophos sold to?
A hospital is named as a customer that uses Fidelis Security for network security. From its own pages, Sophos sells mainly to distributed and growing enterprises with complex networks, which its XGS 2U firewalls target.
What have Fidelis and Sophos announced recently?
October 1, 2026: Sophos launched CISO Advantage, an agentic AI service that links security operations to security strategy, rolling out across North America, the UK and Europe.

About Fidelis

Fidelis sells a range of solutions that includes XDR, NDR, EDR and CNAPP, offered for proactive cyber defense. Fidelis Elevate is an XDR platform. Fidelis Elevate correlates threats across network, endpoint and cloud. Fidelis Elevate automates detection and response workflows.[1][3][4]

Fidelis Network is an NDR platform with network traffic analysis and network behaviour anomaly detection across all ports and protocols. Fidelis Network retains metadata for up to 360 days to support investigations and compliance. Fidelis Network lets users decrypt traffic for deeper analysis to detect malware.[3][4]

Fidelis Endpoint provides EDR protection on-premises and in the cloud. Fidelis Endpoint covers Windows, macOS and Linux.[3][4]

Fidelis Deception delivers alerts and events from decoys, AD credentials, poisoned data and suspicious traffic. Fidelis Deception monitors IoT and cloud resources as deceptive objects. Fidelis Deception is deception technology that uses decoys and lures. Fidelis Active Directory Intercept combines an AD-aware NDR platform, integrated Active Directory deception technology and foundational AD log and event monitoring. Fidelis Active Directory Intercept monitors for suspicious changes and privilege escalation attempts. Fidelis Active Directory Intercept is designed specifically for Active Directory and layers detection, deception and automated defense against identity-based attacks.[1][3][4]

Fidelis Halo provides continuous asset discovery and vulnerability assessment across clouds. Fidelis Halo supports customers in their data centers and in globally connected regions for AWS, Azure and GCP. Fidelis Halo is a platform for protection and compliance across cloud, hybrid and on-premises workloads.[3][4][5]

The Fidelis customer success team covers operations support, customer care, education, training and professional services. Fidelis support includes developers, integration experts, security practitioners, technical account managers and tiers 1, 2, and 3 support. Fidelis provides TAM support for program and project management of Fidelis products. Fidelis professional services include product installation and deployment services, training, tuning and rule-writing. Fidelis Security offers courses to support the Fidelis Security suite of products.[2][6]

Fidelis Security has been audited against the Service Organization Control (SOC) reporting framework for SOC 2, Type 2. Fidelis Security states PCI DSS 3.2 compliance for the handling of credit card holder information. The Fidelis Halo service does not store, process, or transmit any cardholder data. Fidelis Security tests all code for security vulnerabilities before release and regularly scans networks and systems for vulnerabilities.[1][3][5]

Fidelis on the record

Sources

Fidelis full record

  1. [1]fidelissecurity.comFidelis Security · fidelissecurity.com · undated page, accessed November 6, 2026 · Tier A
  2. [2]AboutFidelis Security · fidelissecurity.com · undated page, accessed November 6, 2026 · Tier A
  3. [3]Fidelis Security: Detect, Investigate, Hunt, Respond 9x FasterFidelis Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Top Cybersecurity Solutions | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Trust Center - Commitment to Your Security | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Service & Support | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A

Sophos full record

  1. [1]ProductsSophos · sophos.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Sophos completes secureworks acquisitionSophos · sophos.com · published February 3, 2025 · Tier A
  3. [3]Sophos announces completion of take private acquisition by thoma bravoSophos · sophos.com · published March 2, 2020 · Tier A
  4. [4]Case studiesSophos · sophos.com · undated page, accessed October 10, 2026 · Tier A
  5. [5]Sophos launches ciso advantage bringing ciso level security strategy within reach of every organizationSophos · sophos.com · published October 1, 2026 · Tier A
  6. [6]Sophos fusion ai native cybersecurity defense systemSophos · sophos.com · published July 15, 2026 · Tier A
  7. [7]Sophos: Cyber Resilience for the Agentic AI EraSophos · undated page, accessed October 28, 2026 · Tier A
  8. [8]Sophos Firewall Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 28, 2026 · Tier C
  9. [9]Sophos Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed October 28, 2026 · Tier C
  10. [10]School Protection | SophosSophos · undated page, accessed November 4, 2026 · Tier A
  11. [11]XGS Series Firewalls - Distributed Edge - Enterprise & Campus - 2U ModelsSophos · undated page, accessed November 4, 2026 · Tier A
  12. [12]Compare 200 and 1000 Series Sophos Switches - Multi-gigabit ModelsSophos · undated page, accessed November 4, 2026 · Tier A
  13. [13]Free Quote: Sophos MDR for Microsoft DefenderSophos · undated page, accessed November 4, 2026 · Tier A

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