A new wave of cyberattacks is sweeping across organizations — and this time, it's targeting a tool many dental practices rely on daily: SonicWall VPNs.
According to The Hacker News, threat actors behind Akira ransomware are actively exploiting a zero-day vulnerability in SonicWall's Secure Mobile Access (SMA) appliances. The goal? To gain network access and lock down systems with ransomware — stealing and encrypting sensitive data along the way.
If your practice uses SonicWall for remote access or firewall protection, this is a red alert moment.
01What's happening?
- Akira ransomware is exploiting an unpatched, previously unknown vulnerability in SonicWall's SMA 100 series.
- Attackers gain unauthorized remote access, bypassing credentials and MFA.
- Once inside, they move laterally, deploy ransomware, and exfiltrate sensitive files — including PHI, billing data, and internal documents.
CISA and other global cyber authorities have issued alerts, and SonicWall has since released emergency patches — but many systems remain unpatched or misconfigured.
02Why it's especially dangerous for dental practices
Dental practices and DSOs often rely on SonicWall for:
But without prompt patching and proper configuration, these tools can become an attack vector — not a defense.
03What you need to do now
- 1Patch immediatelySonicWall has issued firmware updates and security patches. Apply them across all SMA and firewall devices. Don't assume auto-update is enabled.
- 2Audit your VPN accessLimit VPN access to essential staff only, and review all access logs for unusual behavior. Enforce strong MFA (not just SMS-based codes).
- 3Monitor for indicators of compromiseCheck for signs of Akira-related activity: suspicious logins from unfamiliar IPs, disabled antivirus or monitoring tools, and files being rapidly encrypted or moved.
- 4Conduct a full network security reviewNow is the time to perform a thorough check of VPN configurations, firewall rules, admin access, and endpoint protection software.
- 5Work with a dental IT partnerAt Darkhorse Tech, we proactively monitor for zero-day threats like this and apply patches before they become a problem.
Our clients benefit from:
Get a SonicWall vulnerability checkup today
Don't wait for ransomware to shut your doors. Schedule a free security consult with Darkhorse Tech and let's secure your network before it's too late.
The bottom line
Cybercriminals are evolving fast — and they're targeting the software you trust most.
If your SonicWall setup is out of date or unmanaged, you're putting your practice, your patients, and your entire business at risk.

