
The Growing Challenge of Cybersecurity in SMEs
Marcus Ashford
In the UK, cybersecurity concerns for SMEs are heightened due to vulnerabilities in VPN systems like those by Cisco and Palo Alto Networks, exemplified by the React2Shell exploit. SMEs, often lacking resources and expertise compared to large enterprises, should follow government-recommended security measures and obtain Cyber Essentials certification to protect against cyber threats.
In today's digitally driven world, cybersecurity has emerged as a critical concern for small and medium-sized enterprises (SMEs) across the UK. With the increasing reliance on virtual private networks (VPNs) for secure communications, the vulnerabilities in these systems have come sharply into focus. A recent campaign targeting Cisco and Palo Alto Networks VPN gateways highlights the sophisticated nature of current threats.
Dubbed React2Shell, the vulnerability categorised as CVE-2025-55182 has been exploited in a coordinated manner using stolen credentials. This campaign underlines the strategic targeting of VPN weaknesses, an avenue essential to maintaining secure remote operations. The implications of such vulnerabilities are far-reaching, affecting not just the immediate security of an enterprise but also its reputation and financial standing.
My Take
I've observed over the years that while large enterprises have the resources to bolster their security measures, SMEs often lag due to budgetary constraints and lack of expertise. This disparity places smaller businesses at a greater risk of exploitation, as seen with recent cyber campaigns. In my experience, it's essential for SMEs to invest in government-recommended security practices and consider Cyber Essentials certification to protect their networks effectively.
The uncomfortable truth is, the digital transformation, while beneficial, has also widened the attack surface for cyber intruders. Thus, SMEs need to focus on both technological upgrades and staff training to navigate these cyber waters safely.

