CISO Tribune

Vendor comparison · 2 companies

Proximus NXT vs Stellar Cyber

Proximus NXT offers business cybersecurity solutions tailored to an organisation's size and needs, from employee awareness training to advanced protection tools. Stellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities. CISO Tribune files both under MDR and managed SOC and SIEM. 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
  • Stellar Cyber
Proximus NXT vs Stellar 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.beStellar CyberStellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities.stellarcyber.ai
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.
  • Stellar Cyber Open XDR PlatformA SecOps platform that unifies SIEM, network detection and response, identity threat detection and response, and behavior analytics with AI-driven detection, investigation and response.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Public (Euronext Brussels: PROX)[2][6][9]Privately held[3][4]
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]
  • October 5, 2026Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.[16]
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.Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs. Stellar Cyber designs its enterprise platform for security teams of any size or skill level. Stellar Cyber Open XDR can be deployed on-premises, from the cloud, or co-managed by an MSSP.
Last verified
October 14, 2026November 9, 2026

Where they overlap

  • Proximus NXT and Stellar Cyber are both filed under MDR and managed SOC and SIEM.

Where they differ, field by field

  • Proximus NXT's primary category is Managed security service providers; Stellar Cyber's is SIEM.
  • Proximus NXT is also filed under Security consulting and advisory. Stellar Cyber is also filed under AI SOC analysts.
  • Proximus NXT lists Secure Net, Smarter Online and Internet Safe & Fun. Stellar Cyber lists Stellar Cyber Open XDR Platform.
  • Proximus NXT is a public company listed on Euronext Brussels as PROX. Stellar Cyber is privately held.

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 Stellar Cyber

What do Proximus NXT and Stellar Cyber sell?
Proximus NXT sells Secure Net, Smarter Online and Internet Safe & Fun. Stellar Cyber sells Stellar Cyber Open XDR Platform.
Are Proximus NXT and Stellar Cyber in the same category?
They share MDR and managed SOC and SIEM. Proximus NXT's primary category is Managed security service providers and Stellar Cyber's is SIEM.
Who owns Proximus NXT and Stellar Cyber?
Proximus NXT is a public company listed on Euronext Brussels as PROX. Stellar Cyber is privately held.
Who are Proximus NXT and Stellar 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. Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs.
What have Proximus NXT and Stellar 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. October 5, 2026: Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.

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

Stellar Cyber full record

  1. [1]ProductStellar Cyber · stellarcyber.ai · published February 25, 2026 · Tier A
  2. [2]Stellar cyber announces agentic ai autonomous soc in 6 4 0 releaseStellar Cyber · stellarcyber.ai · published March 16, 2026 · Tier A
  3. [3]Stellar cyber named one of americas best startup employersStellar Cyber · stellarcyber.ai · published November 21, 2024 · Tier A
  4. [4]ISOC Platform with AI SIEM, NDR, Open XDR & Multi-Layer AIStellar Cyber · undated page, accessed October 29, 2026 · Tier A
  5. [5]Stellar Cyber Automation-driven SecOps PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Stellar Cyber vs Sumo Logic: Expert SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Stellar Cyber vs Splunk: In-Depth SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Integrated Security Operations Center (ISOC) PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]SC vs Microsoft Sentinel: Comprehensive SIEM SolutionStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]SC vs. CrowdStrike | Compare Leading Cybersecurity PlatformsStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]EDR Software, Endpoint Detection & ResponseStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Stellar Cyber Autonomous SOC PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  13. [13]Stellar Cyber Multi-Layer AI™ | Advanced AI Platform for SecOpsStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  14. [14]Stellar Cyber AI SIEM | AI-Driven SIEM PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  15. [15]Stellar Cyber vs AlienVault: In-Depth SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  16. [16]Stellar Cyber 7.0 Makes the Agentic SOC Measurable, Actionable and Operational at ScaleStellar Cyber · published October 5, 2026 · Tier A

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