CISO Tribune

Vendor comparison · 2 companies

Bitdefender vs Sophos

Bitdefender provides cybersecurity solutions to small and medium businesses, mid-market enterprises and consumers. 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 and MDR and managed SOC. 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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  • Bitdefender
  • Sophos
Bitdefender vs Sophos: Products, Customers and Funding Compared
BitdefenderBitdefender provides cybersecurity solutions to small and medium businesses, mid-market enterprises and consumers.bitdefender.comSophosSophos sells security solutions managed through Sophos Fusion, a single cloud-based platform for IT security protection.sophos.com
What it sells
  • GravityZone PHASR[10]Hardening and attack surface reduction.
  • GravityZone MSP Security Solutions[14]Multi-tiered security for managed service providers.
  • 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
Bucharest, Romania[2][4]Oxford, United Kingdom[2]
Founded
2001[2][4][10][13]Not 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
  • September 23, 2026Bitdefender announced GravityZone AI Visibility and Control, a solution giving organizations and MSPs visibility into employee AI tool usage and the ability to reduce related risks.[17]
  • May 6, 2026Bitdefender appointed Frank Koelmel as Chief Revenue Officer of its Business Solutions Group.[7]
  • 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: listed, seen November 4, 2026[8]
  • 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
From its own pages, Bitdefender sells mainly to small and medium businesses, mid-market enterprises and consumers. Its business group says it serves businesses, government entities, and non-profit organizations in industries worldwide. Its small business products are positioned for small teams with no dedicated IT staff. Managed Service Providers are a named customer type, with licensing based on monthly usage.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
September 27, 2026September 27, 2026

Where they overlap

  • EDR and XDR is the primary category of both Bitdefender and Sophos; both are also filed under MDR and managed SOC.

Where they differ, field by field

  • Bitdefender is also filed under Endpoint protection platforms. Sophos is also filed under Firewalls and NGFW.
  • Bitdefender lists GravityZone PHASR and GravityZone MSP Security Solutions. Sophos lists Sophos Fusion, Sophos Firewall and Sophos Managed Detection and Response.
  • Bitdefender is headquartered in Bucharest, Romania. Sophos is headquartered in Oxford, United Kingdom.
  • Bitdefender was founded in 2001.
  • 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 Bitdefender under EDR and XDR, MDR and managed SOC, and Endpoint protection platforms, with EDR and XDR as its primary category. CISO Tribune files Sophos under EDR and XDR, Firewalls and NGFW, and MDR and managed SOC, also with EDR and XDR as its primary category. Both companies therefore sell in EDR and XDR and in managed detection and response, while Sophos also sells firewalls, multi-gigabit switches and cloud-managed Wi-Fi. Bitdefender sells GravityZone PHASR for hardening and attack surface reduction, and GravityZone MSP Security Solutions for managed service providers. Sophos sells Sophos Fusion, a single cloud-based platform for managing IT security protection, along with Sophos Firewall and Sophos Managed Detection and Response.

Bitdefender is headquartered in Bucharest, Romania, and was founded in 2001. Sophos is headquartered in Oxford, United Kingdom, and has been owned by Thoma Bravo since 2020. Bitdefender says it sells mainly to small and medium businesses, mid-market enterprises and consumers, and it names Managed Service Providers as a customer type. Sophos says its XGS 2U firewalls target distributed and growing enterprises with complex networks, and it also sells firewalls for SMB and branch offices. Sophos publicly names Jotun, London South Bank University, Town of Gilbert and DFS Group as customers.

On September 23, 2026, Bitdefender announced GravityZone AI Visibility and Control, which gives organizations and MSPs visibility into employee AI tool usage. On October 1, 2026, Sophos launched CISO Advantage, an agentic AI service that links security operations to security strategy. Earlier, on July 15, 2026, Sophos announced Sophos Fusion, which combines its endpoint, network, email, cloud, identity and security operations products in one architecture.

What it sells: Bitdefender

What GravityZone PHASR does[10]
Proactively hardens defenses and reduces the attack surface. PHASR stands for Proactive Hardening and Attack Surface Reduction.

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 Bitdefender and Sophos

What do Bitdefender and Sophos sell?
Bitdefender sells GravityZone PHASR and GravityZone MSP Security Solutions. Sophos sells Sophos Fusion, Sophos Firewall and Sophos Managed Detection and Response.
Are Bitdefender and Sophos in the same category?
Yes. EDR and XDR is the primary category of both on CISO Tribune.
Where are Bitdefender and Sophos headquartered?
Bitdefender is headquartered in Bucharest, Romania. Sophos is headquartered in Oxford, United Kingdom.
When were Bitdefender and Sophos founded?
Bitdefender was founded in 2001.
Who owns Bitdefender and Sophos?
Sophos is owned by Thoma Bravo, since 2020.
Which customers do Bitdefender and Sophos name?
Sophos publicly names Jotun, National 9/11 Memorial & Museum, London South Bank University, Town of Gilbert and DFS Group.
Who are Bitdefender and Sophos sold to?
From its own pages, Bitdefender sells mainly to small and medium businesses, mid-market enterprises and consumers. From its own pages, Sophos sells mainly to distributed and growing enterprises with complex networks, which its XGS 2U firewalls target.
What have Bitdefender and Sophos announced recently?
September 23, 2026: Bitdefender announced GravityZone AI Visibility and Control, a solution giving organizations and MSPs visibility into employee AI tool usage and the ability to reduce related risks. 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 Bitdefender

Bitdefender provides cybersecurity solutions to small and medium businesses, mid-market enterprises and consumers.

Bitdefender says it has protected millions of consumer and business environments since 2001. Bitdefender states that it protects millions of users across 170 countries. Bitdefender says it collaborates with global law enforcement to dismantle cybercriminal networks. For enterprise customers, Bitdefender offers a security platform or a managed service.

Bitdefender says GravityZone integrates global cloud-based whitelisting and hybrid machine learning voting algorithms to minimize false positives across endpoint processes. Bitdefender says it serves more than 40,000 businesses, government entities, and non-profit organizations in industries worldwide. Bitdefender says its unified endpoint security and analytics platform and managed services help organizations across client, server, on-premises, cloud or hybrid environments. Bitdefender has global teams driving innovation and growth across the GravityZone platform and cybersecurity services.[11][12]

For small businesses, Bitdefender sells security meant to defeat advanced threats like phishing, ransomware and fileless attacks without burdening IT teams. Bitdefender sells endpoint security for smaller businesses that covers file servers, desktops, or laptops, physical or virtual machines. Bitdefender Native XDR uses ML to automatically correlate and consolidate threat signals across endpoints, identities, apps, network, clouds, mobile devices and beyond. Bitdefender integrates Identity Threat Detection and Response (ITDR) into Extended Detection and Response (XDR) for protection of all identities and identity infrastructure. Bitdefender HyperDetect enables organizations to fine-tune ML detection and stop advanced attacks at pre-execution. Bitdefender says Anomaly Defense uses AI technologies to build behavior baselines and spot anomalies with minimum noise. The Bitdefender GravityZone AI Assistant uses Large Language Models (LLMs) to simplify threat investigations by answering analysts' questions instantly.[1]

Bitdefender sells a service that uses 24/7 monitoring, technologies deployed at the host and network layers, advanced analytics, threat intelligence, and human expertise in incident investigation to remove threat actors from customer environments. Bitdefender says its security analysts keep eyes on customer businesses 24x7x365. Bitdefender offers a service that provides all the protections of the MDR service along with comprehensive dark web detection and response. Bitdefender MDR Foundations offers MSPs a Managed Detection & Response service featuring 24x7 monitoring, threat hunting and rapid response. Bitdefender Offensive Services provide organizations with Penetration Testing and Red Teaming services.[1][12]

Bitdefender sells a product to discover and manage public cloud configurations and identities to reduce risk and accelerate compliance. Bitdefender sells security for cloud workloads in Amazon that uses the same web console as physical, virtual, and any other cloud environments. Bitdefender sells external attack surface management that discovers, monitors and secures internet-facing assets, shadow IT, misconfigured services, and forgotten subdomains. Bitdefender sells a product that automates compliance monitoring and real-time evidence collection to stay audit-ready. Bitdefender sells email protection that combines cloud-native, API-enabled protection and a secure email gateway (SEG) in one solution. Bitdefender offers automatic patch management delivered from the GravityZone Console. Bitdefender offers operating system native encryption management for Windows and Mac. Bitdefender sells an on-device mobile security solution for iOS, Android and ChromeOS devices. Bitdefender GravityZone PHASR is described as delivering dynamic, personalized hardening that reduces attack surface without hurting productivity. PHASR stands for Proactive Hardening and Attack Surface Reduction. Bitdefender Advanced Threat Intelligence collects and correlates data from sensors across the globe.

For service providers, Bitdefender sells security for Managed Service Providers with monthly usage-based licensing and a single web console to protect all customers. GravityZone MSP Security Solutions has three offerings called Secure, Secure Plus, and Secure Extra.

Florin Talpes, Bitdefender's Co-founder and Chief Executive Officer, founded with his wife Mariuca one of the first private software companies in post-communist Romania, which grew to become Bitdefender. Andrei Florescu is President and GM of the Business Solutions Group at Bitdefender. Bitdefender says it has been advancing AI in cybersecurity since 2008. Bitdefender says its technology is licensed by more than 150 technology and cybersecurity brands. Bitdefender says its team is behind over 540 patents. Bitdefender says over half of its employees are dedicated to research and development. Bitdefender says it has headquarters, research hubs, and security operations and sales and business centers across multiple continents.[5][6][12][15][16]

Bitdefender on the record

Sources

Bitdefender full record

  1. [1]BusinessBitdefender · bitdefender.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]CompanyBitdefender · bitdefender.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Bitdefender GravityZone Cybersecurity PlatformBitdefender · undated page, accessed October 23, 2026 · Tier A
  4. [4]About Bitdefender: Innovation in Cybersecurity since 2001Bitdefender · undated page, accessed October 23, 2026 · Tier A
  5. [5]Key Findings from the Bitdefender 2025 Cybersecurity Assessment ReportBitdefender Business Insights · published June 24, 2025 · Tier A
  6. [6]Bitdefender Threat Intelligence Solutions – Bitdefender TechZoneBitdefender TechZone · undated page, accessed October 23, 2026 · Tier A
  7. [7]Bitdefender Appoints Frank Koelmel as Chief Revenue Officer for its Business Solutions GroupBitdefender · published May 6, 2026 · Tier A
  8. [8]Bitdefender GravityZone XDR Reviews & Product Details - G2G2 · undated page, accessed October 23, 2026 · Tier C
  9. [9]Bitdefender Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed October 23, 2026 · Tier C
  10. [10]Bitdefender - Global Leader in Cybersecurity SoftwareBitdefender · undated page, accessed November 4, 2026 · Tier A
  11. [11]Minimizing False Positives – Bitdefender TechZoneBitdefender TechZone · undated page, accessed November 4, 2026 · Tier A
  12. [12]About Bitdefender Business Solutions GroupBitdefender · undated page, accessed November 4, 2026 · Tier A
  13. [13]Our Leadership Team: Driving the Future of CybersecurityBitdefender · undated page, accessed November 4, 2026 · Tier A
  14. [14]Bitdefender - All Business Products ListBitdefender · undated page, accessed November 4, 2026 · Tier A
  15. [15]Join Bitdefender. Protect the Future.Bitdefender · undated page, accessed November 4, 2026 · Tier A
  16. [16]Bitdefender Ultimate Small Business SecurityBitdefender · undated page, accessed November 4, 2026 · Tier A
  17. [17]Bitdefender Launches GravityZone AI Visibility and Control, a Powerful Solution for Securing AI Use in the EnterpriseBusiness Wire · published September 23, 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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