As digital infrastructure becomes more decentralised, telcos are defending a rapidly expanding and increasingly complex threat landscape. Traditional perimeter-based security models are no longer effective.
With the widespread adoption of cloud services, remote working and the exponential rise in connected IoT devices, the attack surface has multiplied, making cybersecurity a strategic imperative for telcos.
A recent analysis of Forbes Global 2000 companies reveals that digital downtime now costs global enterprises an estimated US$400bn per year, equating to 9% of total profits.
Security is no longer a standalone function; it drives network integrity, customer trust and sustainable growth. For telcos, aligning with this shift is essential to thrive in the next era of digital connectivity.
For telcos, which deliver essential connectivity, service interruptions or security breaches can lead to devastating financial and reputational consequences.
In response, the industry is moving away from fragmented, multi-vendor security solutions and embracing unified platforms.
Key frameworks such as Secure Access Service Edge (SASE), Zero Trust Network Access (ZTNA) and Extended Detection and Response (XDR) are becoming foundational elements of modern security architecture.
At the same time, AI-driven security operations are now critical, enabling real-time threat detection, mitigation and predictive defence at machine speed.
Telcos face rising cyber threats as networks decentralise. Integrated platforms, AI and Zero Trust are now essential for resilience, trust and growth.
10 | IBM
- Founded: 1911
- Annual Revenue: US$62.8bn
- Chief Executive Officer: Arvind Krishna
- Number of Employees: 270,300
IBM, a global leader in enterprise technology, has cemented its position as a foundational force in cybersecurity through its IBM Security division.
Trusted by governments, financial institutions and critical infrastructure operators, it delivers advanced threat intelligence, identity management and hybrid cloud security.
In collaboration with acquisitions such as Randori and innovations like the AI-powered Watson platform, IBM continues to modernise its offering. Its QRadar SIEM platform remains a milestone solution, empowering Security Operations Centres across highly regulated sectors.
9 | Okta
- Founded: 2009
- Annual Revenue: US$2.6bn
- Chief Executive Officer: Todd McKinnon
- Number of Employees: 5,900
Okta, a pioneer in Identity and Access Management (IAM), has become a cornerstone of Zero Trust security strategies across the globe.
Recognised for securing both workforce and customer identities, Oktaâs cloud-native platform underpins secure access to thousands of enterprise applications.
A significant milestone was its US$6.5bn acquisition of Auth0, extending its reach into customer identity solutions.
Trusted by more than 40% of the Forbes Global 2000, Okta continues to lead in identity security despite recent challenges that prompted a strengthened security commitment.
8 | Check Point Software Technologies
- Founded: 1993
- Annual Revenue: US$2.6bn
- Chief Executive Officer: Nadav Zafrir
- Number of Employees: 6,660
Check Point is a foundational player in the cybersecurity landscape and developed the first commercial firewall. It has protected more than 100,000 organisations worldwide for more than three decades.
It is recognised for its prevention-first approach and its Infinity architecture, which provides unified security across network, cloud and mobile environments.
With a strong global presence and a comprehensive portfolio spanning next-generation firewalls to advanced threat prevention, Check Point continues to serve as a trusted security partner for enterprises and governments alike.
7 | Zscaler
- Founded: 2007
- Annual Revenue: US$2.5bn
- Chief Executive Officer: Jay Chaudhry
- Number of Employees: 7,350
Zscaler has emerged as a leading force in cloud-native security, purpose-built to secure todayâs mobile-first, cloud-first enterprises.
Its flagship Zero Trust Exchange platform functions as a dynamic, cloud-based security switchboard, enabling secure, direct connections between users, devices and applications, regardless of location.
By processing more than 500 billion transactions daily through one of the worldâs most significant security clouds, Zscaler eliminates the need for traditional on-premise security appliances.
Its recent expansion into single-vendor SASE marks a key milestone in reshaping the secure connectivity landscape.
6 | CrowdStrike
- Founded: 2011
- Annual Revenue: US$3bn
- Chief Executive Officer: George Kurtz
- Number of Employees: 7,900
CrowdStrike has rapidly established itself as a dominant force in modern cybersecurity through its pioneering, cloud-native Falcon platform.
Purpose-built to stop breaches, Falcon uses a lightweight, single-agent architecture powered by AI, cloud analytics and graph database technology to deliver real-time protection across endpoints, identities, cloud workloads and data.
A significant milestone includes its high-profile partnership with the Mercedes-AMG Petronas Formula One Team, aligning its brand with elite performance.
Integrated threat intelligence and proactive threat hunting make CrowdStrike a vital security partner for the enterprise.
5 | Accenture
- Founded: 1989 (as Andersen Consulting)
- Annual Revenue: US$64.9bn
- Chief Executive Officer: Julie Sweet
- Number of Employees: 774,000
Accenture, a global leader in professional services, has established itself as one of the largest and fastest-growing security providers worldwide.
Collaborating with top technology partners, the firm designs, implements and operates tailored cybersecurity solutions for major global enterprises.
Eschewing standalone products, Accenture offers strategic advisory, cyber defence and managed security services.
Notably, with security revenue exceeding US$7.1bn, it ranks among the worldâs leading security firms, a significant milestone reflecting its pivotal role in addressing the global cybersecurity skills gap.
4 | Fortinet
- Founded: 2000
- Annual Revenue: US$6.1bn
- Chief Executive Officer: Ken Xie
- Number of Employees: 14,140
Fortinet is a global cybersecurity leader renowned for its integrated and automated security solutions.
Partnering with more than 700,000 organisations worldwide â including the majority of the Fortune 100 â it delivers unified protection via its Fortinet Security Fabric platform.
At the core of its offering are FortiGateâs next-generation firewalls powered by proprietary Security Processing Units (SPUs) for superior performance.
A key milestone, Fortinetâs broad adoption across 72% of the Global 2000 demonstrates its success in combining advanced hardware and cohesive software to simplify cybersecurity at scale.
3 | Palo Alto Networks
- Founded: 2005
- Annual Revenue: US$8.8bn
- Chief Executive Officer: Nikesh Arora
- Number of Employees: 15,289
Palo Alto Networks has evolved from a pioneer in firewall innovation to a strategic global cybersecurity partner for enterprises navigating complex digital transformations. It delivers a unified, intelligent security platform, supporting more than 80,000 organisations across 150+ countries, including 85 of the Fortune 100.
With operations spanning finance, energy and healthcare, it secures critical infrastructure globally. Its expansive global footprint and deep integration across critical industries highlight its role as a key enabler of secure digital transformation.
2 | Broadcom
- Founded: 1991 (as Broadcom Corp.)
- Annual Revenue: US$51.6bn
- Chief Executive Officer: Hock Tan
- Number of Employees: 37,000
Broadcom is a global infrastructure technology leader whose vast portfolio includes a significant enterprise security business built on the foundation of its acquisition of Symantecâs enterprise division.
It provides a resilient hybrid security solution focused on protecting critical systems and data for the worldâs largest organisations.
Broadcomâs security offerings cover endpoint security, network security â including web gateway â information protection and identity security.
By integrating these capabilities with its broader infrastructure software portfolio, including the recent acquisition of VMware, Broadcom aims to provide deeply embedded, high-performance security for complex data centres and cloud environments.
1 | Cisco Systems
- Founded: 1984
- Annual Revenue: US$55.6bn
- Chief Executive Officer: Chuck Robbins
- Number of Employees: 90,400
Cisco, a global technology leader, has long been the backbone of internet connectivity through its dominant networking hardware.
Today, it has transformed into a security and software powerhouse, partnering with enterprises worldwide to deliver integrated solutions across networking, security, collaboration and observability.
A key milestone was its US$28bn acquisition of Splunk, creating a unified security and observability platform.
Central to its strategy is the AI-driven Cisco Security Cloud, securing everything from the network to the cloud, reinforcing Ciscoâs position as a dominant force in securing the connected digital world.
