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What Is Ransomware and How Does It Hit Dental Practices
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Ezra Angelo
- • March 12, 2025
Ransomware encrypts the files on your systems and demands payment for the decryption key. When it hits a dental practice, patient records become inaccessible, scheduling stops, imaging goes offline, and billing halts. The entire practice is frozen.
Ransomware attacks on healthcare surged 58% in 2025. Dental practices are frequent targets. Understanding how ransomware works and how it gets into dental offices is the first step toward preventing it.
Paying the ransom does not guarantee data recovery. Only 2% of practices that paid a ransom recovered all their data. The real cost of ransomware is the recovery, not the demand.
How Ransomware Actually Works
Ransomware does not cause visible damage the moment it enters your network. It is designed to be invisible.
Silent reconnaissance: days to weeks
After gaining access, ransomware moves quietly through your systems. It maps your network, identifies backup locations, and positions itself to cause maximum damage before revealing itself. No visible symptoms during this phase.
Backup targeting
Ransomware specifically locates and disables or encrypts backup systems that are connected to the network. This is why offsite backups stored separately from your network are essential: ransomware cannot reach what it cannot find.
Encryption and ransom demand
When it activates, it encrypts files rapidly across every connected system simultaneously. Patient databases, imaging files, billing records, and email all get locked. The first sign is usually an error message when staff try to open a file, followed by a ransom note with payment instructions.
How Ransomware Gets Into Dental Practices
Check every entry point that currently exists as a vulnerability at your practice. Each one is a documented ransomware attack vector in healthcare.
No vulnerabilities selected yet.
Four things that stop most ransomware attacks
MFA everywhere: blocks the credential-based attacks behind most ransomware entry points
Multi-Factor Authentication on all remote access, email, and cloud accounts means a stolen password alone is not enough to get in. This single control blocks the attack vector responsible for some of the largest healthcare ransomware incidents on record, including the Change Healthcare breach.
EDR on every device: detects and stops ransomware before encryption completes
Endpoint Detection and Response software monitors device behavior in real time and can identify ransomware activity during the reconnaissance phase, before encryption begins. Traditional antivirus reacts to known signatures. EDR detects behavioral patterns that match ransomware activity regardless of whether the specific strain is known.
Tested offsite backups: stored separately from your network so ransomware cannot reach them
Ransomware specifically targets and encrypts connected backups during its reconnaissance phase. Backups stored offsite and not connected to the network cannot be reached. A clean, tested offsite backup means recovery is possible without paying the ransom. Recovery from a clean backup takes hours to a day. Recovery without one takes weeks and costs far more.
Current patching: unpatched software is the entry point for 33% of ransomware attacks
Software vulnerabilities that have been publicly disclosed and patched are actively exploited against systems that have not yet applied the fix. Delaying updates to avoid disrupting schedules is understandable, but it leaves known attack surfaces open. Managed patching schedules updates during off-hours so patient care is not interrupted.
What Happens After a Ransomware Attack
Do not restart any systems without guidance from your IT provider. Restarting can accelerate encryption or destroy forensic evidence needed to identify the attack vector.
Isolate affected systems by disconnecting them from the network if possible to limit the spread to unaffected devices.
Contact your IT provider immediately. Do not attempt remediation without professional guidance.
Recovery in hours to one day
If you have a clean tested backup that predates the infection and is stored separately from your network, recovery is possible without paying the ransom. The backup is restored and operations resume.
Recovery takes days to weeks at significant cost
Recovery without a backup, or with a backup that was also encrypted, typically requires days to weeks of IT remediation costing tens of thousands of dollars before any ransom payment is even considered.
Frequently Asked Questions
Ekim IT Solutions works exclusively with dental practices. We serve New England and New York with on-site support and dental practices nationwide with remote support. We build the layered defenses dental practices need against ransomware, endpoint protection, immutable backups, email filtering, and staff awareness, so an attack does not become a shutdown.
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- • March 12, 2025
