A Single Click Cost One Hospital Chain $100 Million

In 2024, Change Healthcare — the payment processing backbone of the U.S. healthcare system — was crippled by a ransomware attack attributed to the ALPHV/BlackCat group. UnitedHealth Group, its parent company, disclosed the incident would cost over $870 million in direct response alone. The attack vector? Compromised credentials on a remote access portal that lacked multi-factor authentication. One set of stolen credentials. No MFA. Nearly a billion dollars in damages.

If you're looking for ransomware protection tips that go beyond "install antivirus and hope for the best," you're in the right place. I've spent years watching organizations of every size get hit, and the patterns are painfully predictable. The good news: the defenses are predictable too, and they work — if you actually implement them.

Why Ransomware Keeps Winning in 2026

Ransomware isn't slowing down. According to the FBI's Internet Crime Complaint Center (IC3), ransomware complaints continue to climb year over year, with critical infrastructure sectors — healthcare, manufacturing, government — taking the worst hits. The Verizon 2024 Data Breach Investigations Report found that ransomware or extortion was involved in roughly a third of all breaches.

Threat actors have evolved from spray-and-pray campaigns to highly targeted "big game hunting." They conduct reconnaissance, map your network, exfiltrate sensitive data before encrypting it, and then hit you with double extortion — pay to decrypt and pay again to prevent a data leak. If your protection strategy hasn't evolved with them, you're already behind.

What Are the Most Effective Ransomware Protection Tips?

Here's a direct answer: the most effective ransomware protection tips are implementing multi-factor authentication on every remote access point, maintaining tested offline backups, training employees to recognize phishing and social engineering attacks, applying patches within 48 hours of release, and adopting a zero trust architecture that limits lateral movement. None of these are optional — they work as a system, not individually.

Tip 1: Kill the Number One Entry Point — Phishing

I've investigated dozens of ransomware incidents. The overwhelming majority started the same way: someone clicked a link or opened an attachment in a phishing email. Credential theft through phishing gives threat actors the keys to your kingdom without tripping a single alarm.

Running regular phishing simulation campaigns isn't a "nice to have." It's the single most cost-effective control you can deploy. Organizations that run monthly simulations see click rates drop from 30%+ to under 5% within six months. That's not theory — I've seen it happen repeatedly.

If you don't have a phishing simulation program in place, start with our phishing awareness training built for organizations. It's designed to create real behavioral change, not just check a compliance box.

Social Engineering Goes Beyond Email

Phishing gets the headlines, but social engineering extends to voice calls (vishing), text messages (smishing), and even fake IT help desk requests. The MGM Resorts breach in 2023 started with a vishing call to the help desk. Your security awareness program needs to cover all of these vectors, not just email.

Tip 2: Multi-Factor Authentication — No Exceptions

The Change Healthcare attack I mentioned above? MFA would have stopped it. Full stop. Yet in my experience, at least half of the mid-size organizations I assess still have remote access portals, VPNs, or cloud admin consoles protected by nothing more than a username and password.

Implement MFA on every externally facing service, every admin account, and every privileged access path. Use phishing-resistant MFA — hardware keys or FIDO2 passkeys — wherever possible. SMS-based MFA is better than nothing, but it's vulnerable to SIM-swapping attacks.

CISA's MFA guidance is a solid starting point if you need to build the business case for leadership.

Tip 3: Backups That Actually Survive an Attack

Here's what actually happens during a ransomware incident: the first thing attackers do after gaining access is hunt for your backups and destroy them. If your backups are on the same network, connected to the same domain, or accessible with the same credentials — they're gone.

The 3-2-1-1-0 Rule

The classic 3-2-1 backup strategy needs an upgrade:

  • 3 copies of your data
  • 2 different storage media types
  • 1 copy offsite
  • 1 copy offline or immutable (air-gapped or write-once storage)
  • 0 errors — verified through regular test restores

That last point is critical. I've seen organizations with "great" backup systems that hadn't tested a restore in two years. When the ransomware hit, the backups were corrupted. Test your restores quarterly at minimum.

Tip 4: Patch Fast or Pay Later

Threat actors weaponize vulnerabilities within hours of public disclosure. The Clop ransomware group's mass exploitation of MOVEit Transfer in 2023 compromised over 2,500 organizations because many hadn't patched a known vulnerability quickly enough.

Your patch management process needs teeth. Critical and actively exploited vulnerabilities should be patched within 48 hours — not 30 days, not "next maintenance window." Automate wherever you can. Prioritize internet-facing systems and anything touching sensitive data.

Tip 5: Adopt Zero Trust — Stop Trusting Your Own Network

Traditional flat networks are a ransomware buffet. Once an attacker is inside, they move laterally with ease, escalating privileges and spreading ransomware to every system they can reach.

Zero trust architecture flips that model. Every access request is verified, regardless of whether it originates inside or outside the network. Key elements include:

  • Network segmentation — isolate critical systems so a breach in one zone doesn't spread everywhere
  • Least privilege access — users and services get only the permissions they need, nothing more
  • Continuous verification — authenticate and authorize every session, not just at login

You don't have to overhaul your entire infrastructure overnight. Start with your most critical assets and expand from there. NIST's Zero Trust Architecture publication (SP 800-207) provides a solid framework.

Tip 6: Build a Human Firewall Through Continuous Training

Technology controls fail when humans make bad decisions. Every one of these ransomware protection tips works better when your employees understand why they matter and what threats look like in practice.

Security awareness training shouldn't be an annual 45-minute video that everyone clicks through while eating lunch. It should be continuous, engaging, and tied to real-world scenarios. Cover credential theft, social engineering red flags, safe browsing habits, and incident reporting procedures.

Our cybersecurity awareness training program is built around these principles — short modules, real attack scenarios, and measurable behavior change. Pair it with phishing simulations for the best results.

Tip 7: Have an Incident Response Plan — and Practice It

Even with solid defenses, breaches happen. The difference between a $50,000 incident and a $5 million catastrophe is almost always the speed and quality of your response.

What Your IR Plan Must Include

  • Clear roles and responsibilities — who makes the call to isolate systems?
  • Communication templates — for legal, customers, employees, and regulators
  • Pre-negotiated relationships with a digital forensics firm and breach counsel
  • Documented procedures for isolating affected systems and preserving evidence
  • A decision framework for ransom payment (your legal team needs to weigh in before the crisis hits)

Run a tabletop exercise at least twice a year. I've facilitated exercises where the CEO had no idea they were the one who needed to authorize a system shutdown. That's a problem you solve in practice, not during a live attack.

The Ransomware Protection Checklist You Can Use Today

Here's your action list, ranked by impact and implementation speed:

  • Enable MFA on all remote access, email, and admin accounts this week
  • Launch phishing simulations monthly — start with organizational phishing awareness training
  • Verify your backups are immutable and test a restore before Friday
  • Patch critical vulnerabilities within 48 hours of disclosure
  • Segment your network to contain lateral movement
  • Train every employee continuously through structured security awareness training
  • Dust off your IR plan and schedule a tabletop exercise

Ransomware Is a Business Problem, Not Just an IT Problem

Every one of these ransomware protection tips requires buy-in from leadership, not just the security team. Budget decisions, risk tolerance, and organizational culture all determine whether your defenses hold or fold when a threat actor comes knocking.

The organizations I see surviving ransomware attacks in 2026 aren't the ones with the biggest security budgets. They're the ones that treat security as a business function — with trained people, tested processes, and layered technology working together. Start with the basics. Execute them well. And stop assuming it won't happen to you.