What Is Ransomware and How Does It Hit Dental Practices

• Ezra Angelo
• • March 12, 2025
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Ransomware is malicious software that encrypts the files on your computer systems and demands payment in exchange for the decryption key. When it hits a dental practice, patient records become inaccessible, scheduling stops, imaging software goes offline, and billing halts. The entire practice is frozen until the situation is resolved.

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.

How Ransomware Actually Works

Ransomware does not cause visible damage the moment it enters your network. It is designed to be invisible. After gaining access, it moves quietly through your systems for days or weeks. It maps your network, identifies backup locations, and positions itself to cause maximum damage before revealing itself.

When it finally activates, it encrypts files rapidly across every connected system. Patient databases, imaging files, billing records, and email all get locked simultaneously. The first sign is usually an error message when staff try to open a file, followed by a ransom note explaining that your data has been encrypted and providing payment instructions.

How Ransomware Gets Into Dental Practices

Phishing emails

Phishing is the most common entry point. In 2024, 88% of healthcare workers opened phishing emails. A staff member receives a convincing email, clicks a link or opens an attachment, and the ransomware begins installing. The email might look like it is from a software vendor, an insurance company, or even a colleague. Once the link is clicked, the attacker has a foothold inside your network.

Remote access without MFA

Many dental practices allow remote access to their systems for IT support or off-site work. When that remote access is not protected by Multi-Factor Authentication, a stolen or guessed password is all an attacker needs to get in. The Change Healthcare breach in February 2024, which disrupted insurance claims processing for dental offices nationwide, began with compromised credentials on a remote access portal that had no MFA.

Unpatched software vulnerabilities

Outdated software with known security vulnerabilities is an open invitation. Exploited vulnerabilities were the leading root cause of healthcare ransomware attacks in 2025, accounting for 33% of incidents. Dental practices often delay software updates to avoid disrupting patient schedules. That delay leaves known vulnerabilities unpatched and exploitable.

Vendor and supply chain attacks

Attackers increasingly target vendors that serve multiple dental practices rather than attacking practices directly. A single vendor breach gives access to every practice connected to that vendor. Attacks on healthcare businesses that serve providers rose 30% in 2025. Your practice may have strong defenses and still be compromised through a vendor relationship.

What Happens After a Ransomware Attack

If ransomware triggers in your practice, the response sequence matters. Do not restart any systems without guidance from your IT provider. Restarting can accelerate encryption or destroy forensic evidence. Isolate affected systems by disconnecting them from the network if possible. Contact your IT provider immediately.

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. Recovery from a clean backup can take hours to a day. Recovery without a backup, or with a backup that was also encrypted, typically takes days to weeks and costs tens of thousands of dollars in IT remediation before any ransom payment is considered.

Frequently Asked Questions

Should a dental practice pay the ransom?

Most cybersecurity experts and law enforcement advise against paying. Paying funds criminal operations and does not guarantee recovery. Only 2% of organizations that paid a ransom recovered all their data. The strongest position is to have a clean backup that makes ransom payment unnecessary.

Can ransomware spread from one computer to others in the practice?

Yes. Once inside your network, ransomware can move laterally to other connected devices. A single infected workstation can encrypt files on the server and every other workstation on the same network. Network segmentation limits how far ransomware can spread if a device is compromised.

How long does ransomware recovery take for a dental practice?

With a clean, tested backup, recovery can take hours to a single day. Without a backup, recovery requires rebuilding systems from scratch and potentially negotiating with attackers. The average healthcare ransomware recovery takes 19 days. During that time, the practice typically cannot operate normally.

Does Ekim protect dental practices from ransomware?

Yes. Ekim IT Solutions implements layered ransomware protection for dental practices including MFA, endpoint detection and response, managed backups with offsite storage, and security patching. We serve practices across all 50 states remotely and provide on-site support in New England and New York.

Is your dental practice protected against ransomware?

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. Security, compliance, and everything in between so you can focus on patients.

• Ezra Angelo
• • March 12, 2025
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