Cybersecurity Tsunami: Exploding Edge Threats and Struggles Faced by SMBs

Summary

• Increased Edge Threats: Attacks on edge devices and VPNs jumped sharply in Verizon’s 2025 breach report.
• Small and Medium-sized Business Vulnerabilities: SMBs are especially exposed because they have fewer security resources.
• Rising Ransomware Attacks: Ransomware showed up in 88% of breaches at smaller organizations.
• Key Players and Solutions: Patching edge devices faster is the most direct fix.

What Verizon’s report found

Verizon’s 2025 Data Breach Investigations Report, released in April 2025, found a sharp rise in attacks on edge devices. Exploitation of vulnerabilities made up 20% of breaches, up 34% from the year before. Edge devices and VPNs accounted for 22% of those exploits, compared with 3% the previous year, and small and medium-sized businesses (SMBs) are feeling the impact.

Edge devices as a weak spot

Firewalls, VPN gateways and other devices at the edge of a network are exposed to the internet by design. When they have unpatched flaws, attackers can walk straight in.

Verizon found organizations had fully fixed only about 54% of the edge device vulnerabilities, with a median of 32 days to do it. Attackers often move much faster. An earlier version of this article quoted an unnamed “leading cybersecurity researcher from Verizon”; that quote could not be found in the report and has been removed.

Patching edge devices is often slow because it means downtime for the whole network. That delay is the opening attackers use.

Ransomware hits small businesses hardest

Ransomware remains one of the biggest threats to SMBs. Smaller firms usually lack the staff and budget to defend themselves as well as large companies can.

Verizon’s numbers make the point. Ransomware was present in 44% of all breaches it reviewed, but in 88% of breaches at small and medium-sized businesses, compared with 39% at large organizations. Victims face a hard choice between paying and losing data.

Paying doesn’t guarantee recovery. A quote attributed to an unnamed analyst “from the report” in an earlier version could not be found in the report and has been removed.

What SMBs can do

The most important step is to patch edge devices quickly, or have a managed service provider do it. Turn off remote access that isn’t needed.

Layered security helps too. Multi-factor authentication on VPNs, offline backups and real-time threat monitoring make a ransomware attack much less likely to succeed. A quote attributed to a “senior security architect at Verizon” in an earlier version could not be verified and has been removed.

Sharing threat information with industry groups and government agencies, and following common security standards, helps small businesses learn about new attacks quickly.

A fixable problem

Attacks on edge devices are a growing problem for SMBs worldwide. The fix is not exotic. Patch quickly, limit exposure and keep backups.

Small businesses that build those habits now will be far harder targets, and far quicker to recover, when attackers come looking.

Verizon’s numbers show who is paying the price for slow patching. It’s mostly the smallest firms.

Dan Evert, CCNP

Dan Evert is a self proclaimed Router Jockey. Dan got heavily involved in networking right out of high school and has never looked back! Dan is giving back by working with high school students to get them involved and interested in Networking and Security.