CISO Tribune

Vendor comparison · 2 companies

Proximus NXT vs Quorum Cyber

Proximus NXT offers business cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to advanced protection tools. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under MDR and managed SOC and Security consulting and advisory. 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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  • Proximus NXT
  • Quorum Cyber
Proximus NXT vs Quorum Cyber: Products, Customers and Funding Compared
Proximus NXTProximus NXT offers business cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to advanced protection tools.proximus.beQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Secure Net[4][8]Protects fixed and/or mobile devices connected to the Proximus network from phishing attempts, viruses and malicious websites.
  • Smarter Online[4]A free platform that answers questions on phishing, suspicious messages and children's online safety, and checks whether a link or website is safe.
  • Internet Safe & Fun[4]Workshops, run in partnership with Child Focus, that help children navigate the digital world safely.
  • Clarity Defend[1][3][6]Managed detection and response service providing 24/7 monitoring, detection and response to attacks.
  • Clarity Extend[1][3]Enhanced security coverage extending monitoring to Microsoft Cloud and third-party technologies across an organization's IT ecosystem.
  • Clarity Protect[1][3]Service that detects and stops threats, reduces cyber risk, and strengthens security across Microsoft and AI environments, including a CTEM offering.
  • Clarity Data & AI[1][3]Service that helps organizations understand, protect and govern data, reducing exposure to insider threats and AI-related risks.
  • Clarity OT[3]Managed detection and response service for operational technology environments.
  • Incident Response Services[3]Services including incident response preparedness, retainer agreements, and emergency MDR for breach investigation and containment.
Categories
Headquarters
Not stated on its pagesEdinburgh, United Kingdom[1]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Public (Euronext Brussels: PROX)[2][6][9]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • November 27, 2025Proximus NXT partners with Mistral AI to launch an AI offering aimed at the Benelux region and other European countries.[3]
  • September 16, 2026Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.[12]
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
For businesses, the company describes cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to protection tools. Self-employed people and those running a business are offered solutions designed for professional use. For families, the company sells mobile plans for kids.Not written yet
Last verified
October 14, 2026October 7, 2026

Where they overlap

  • Proximus NXT and Quorum Cyber are both filed under MDR and managed SOC and Security consulting and advisory.

Where they differ, field by field

  • Proximus NXT's primary category is Managed security service providers; Quorum Cyber's is MDR and managed SOC.
  • Proximus NXT is also filed under SIEM. Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • Proximus NXT lists Secure Net, Smarter Online and Internet Safe & Fun. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Quorum Cyber is headquartered in Edinburgh, United Kingdom.
  • Proximus NXT is a public company listed on Euronext Brussels as PROX.

What it sells: Proximus NXT

What Secure Net does[4][8]
Secure Net protects devices connected to the Proximus network from phishing attempts, viruses and malicious websites. Secure Net Fix protects all devices connected to a fixed Proximus internet line, including smart devices. Secure Net Mobile protects devices using the Proximus 4G/5G mobile network only. Once the option is activated, devices are protected via the Proximus network and no software installation is required.
What Smarter Online does[4]
Smarter Online is a free platform that answers questions on phishing, suspicious messages and children's online safety. Smarter Online checks whether a link or website is safe before a click.

Questions about Proximus NXT and Quorum Cyber

What do Proximus NXT and Quorum Cyber sell?
Proximus NXT sells Secure Net, Smarter Online and Internet Safe & Fun. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are Proximus NXT and Quorum Cyber in the same category?
They share MDR and managed SOC and Security consulting and advisory. Proximus NXT's primary category is Managed security service providers and Quorum Cyber's is MDR and managed SOC.
Where are Proximus NXT and Quorum Cyber headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who owns Proximus NXT and Quorum Cyber?
Proximus NXT is a public company listed on Euronext Brussels as PROX.
Who are Proximus NXT and Quorum Cyber sold to?
For businesses, the company describes cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to protection tools.
What have Proximus NXT and Quorum Cyber announced recently?
November 27, 2025: Proximus NXT partners with Mistral AI to launch an AI offering aimed at the Benelux region and other European countries. September 16, 2026: Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.

About Proximus NXT

Proximus NXT offers business cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to advanced protection tools. Proximus helps people, families and businesses stay protected online. For people running a business or working self-employed, Proximus has solutions designed for professional use. Proximus offers internet subscriptions at home or on a smartphone, standalone or in a pack. Proximus offers mobile plans with or without a smartphone, prepaid or unlimited. Proximus provides support through the Proximus Assistant 24/7, in Proximus stores, by phone or through a technician visit at home.[4][5][7]

Secure Net protects fixed and/or mobile devices connected to the Proximus network from phishing attempts, viruses and malicious websites. Secure Net Fix protects all devices connected to a fixed Proximus internet line, including smart devices. Secure Net Fix protects devices connected to a Proximus home Wi-Fi network only and does not protect devices on other Wi-Fi networks. Secure Net Mobile protects devices using the Proximus 4G/5G mobile network only and does not protect devices abroad or on other mobile networks. Once the Secure Net option is activated, devices are protected via the Proximus network and no software installation is required. Secure Net works only on the Proximus network where the option has been activated.[4][8]

Secure Net is activated from a MyProximus account under the security options. Secure Net can be deactivated at any time via a MyProximus account. To benefit from Secure Net, a person must be a Proximus customer. Secure Net Fix requires a Proximus internet product. Secure Net Mobile requires a Proximus mobile product.[8]

Secure Net and Norton are added to a Proximus subscription. Protection comes at network level, device level or a combination of both, depending on the subscription. Norton safeguards devices and personal data against viruses and online threats, wherever they are. Norton provides 24/7 threat protection, blocks phishing sites and filters unwanted e-mails. Norton Security stores usernames and passwords and fills them in automatically. Norton Security protects devices when connected to other networks, including abroad. Norton Security supports email scanning on all POP3 compatible email clients. Norton downloaded via MyProximus needs no product key.[4][8]

Norton Family is the parental control included with Norton Security 5. Norton Family lets parents monitor their children's online activities, track their location and filter content.

Even without Secure Net and Norton Security, Proximus automatically blocks certain threats to protect its users. Smarter Online is a free platform that answers questions on phishing, suspicious messages and children's online safety, and checks whether a link or website is safe before a click. In partnership with Child Focus, Proximus offers Internet Safe & Fun workshops that help children navigate the digital world safely. The Mobile Kids+ mobile plan includes parental controls, budget management and practical guidance. Proximus works closely with NATO, Europol's European Cybercrime Centre and more than 200 key organisations.[1][4][5][8]

Proximus NXT on the record

Sources

Proximus NXT full record

  1. [1]Managed security servicesProximus · proximus.be · undated page, accessed October 14, 2026 · Tier A
  2. [2]CompanydataProximus · proximus.be · undated page, accessed October 14, 2026 · Tier A
  3. [3]Proximus NXT and Mistral AILHoFT · published November 27, 2025 · Tier B
  4. [4]Digital security for you and your familyProximus · undated page, accessed November 10, 2026 · Tier A
  5. [5]How to choose the right internet subscription?Proximus · undated page, accessed November 10, 2026 · Tier A
  6. [6]Proximus mobile plansProximus · undated page, accessed November 10, 2026 · Tier A
  7. [7]Welcome to Proximus – Internet, mobile, phone and TV | ProximusProximus · undated page, accessed November 10, 2026 · Tier A
  8. [8]Questions about Secure NetProximus · undated page, accessed November 10, 2026 · Tier A
  9. [9]Norton Security - Antivirus protectionProximus · undated page, accessed November 10, 2026 · Tier A

Quorum Cyber full record

  1. [1]quorumcyber.comQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  2. [2]Difenda will rebrand as quorum cyberQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  3. [3]Microsoft Cyber Security Services Provider | Quorum CyberQuorum Cyber · undated page, accessed October 31, 2026 · Tier A
  4. [4]About Quorum | Cyber Security CompanyQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  5. [5]Why I’m Passionate about Protecting British Organisations from Cybercrime - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Managed Security Services | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cyber Resilience Assessment | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Quorum Cyber Managed XDR integrates with Microsoft Security Technology - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]Quorum Cyber is leveraging Copilot for Security at scale - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]Customers Informed of Microsoft Data Breach - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]Quorum Cyber appoints Chief Information Security OfficerQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Quorum Cyber Announces Intent to Acquire Ontinue, Building an Unrivaled Microsoft-First Agentic SOC for the Autonomous Threat EraPRNewswire · published September 16, 2026 · Tier A

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