By Adam Adil Harchaoui | Published by Nevada IT Solutions | Updated June 2026

Key points

Most cyberattacks start with a stolen password or a phishing click, not a sophisticated hack.
The strongest prevention is limiting what software can run and what each person can access.
Multi-factor authentication, fast patching, and tested backups stop the most common attacks cold.
AI now writes more convincing phishing and clones voices, so employee training matters more than ever.
A local Reno IT partner keeps these protections current so you do not have to track them yourself.

Cyberattacks are not just an enterprise problem. The FBI’s Internet Crime Complaint Center reported more than $16.6 billion in losses in 2024, and small businesses are frequent targets because attackers expect weaker defenses (https://www.ic3.gov/). The good news is that the same handful of practices block the large majority of attacks, and none of them require a security team of your own.

Here is how to prevent cyberattacks at a small business, in plain terms, with the steps that matter most first.

What Counts as a Cyberattack?

A cyberattack is any attempt to steal, damage, or gain unauthorized access to your data or systems. For most small businesses, the common forms are phishing emails that trick someone into giving up a password, ransomware that locks your files until you pay, malware that quietly steals information, and account takeovers using stolen credentials. Verizon’s Data Breach Investigations Report ties phishing to roughly 36% of breaches and ransomware to about 44% (https://www.verizon.com/business/resources/reports/dbir/). Knowing the shape of the threat makes the prevention steps below easier to follow.

The 10 Best Practices to Prevent Cyberattacks

1. Let only approved software run

A default-deny approach means nothing runs on your computers unless you have approved it. Most malware and ransomware depend on launching a program you never authorized, so blocking the unknown by default removes a huge share of risk in one move.

2. Give people the least access they need

Least privilege means each person and app gets only the access their job requires, and nothing more. When a password is stolen, tight access decides whether the attacker reaches one folder or your whole network. Limiting access this way is one of the simplest ways to contain damage after a login.

3. Turn on multi-factor authentication everywhere

Multi-factor authentication adds a second step, like a code on your phone, so a stolen password alone is not enough to get in. It is one of the cheapest, highest-impact protections available, and it should cover email, banking, remote access, and any cloud app holding business data.

4. Secure remote access

Remote work and remote support are entry points if they are not locked down. Use a secure connection, require multi-factor authentication on every remote login, and avoid exposing internal systems directly to the internet.

5. Segment your network and Wi-Fi

Keep guest Wi-Fi separate from the network your business systems use, and separate sensitive systems from everyday devices. Segmentation means an attacker who reaches one part cannot freely roam into the rest.

6. Remove unused apps and accounts

Every program you do not use and every account from a former employee is a door you forgot to lock. Removing unnecessary applications, services, and stale logins shrinks the surface an attacker can target.

7. Keep everything patched and updated

Attackers scan for known flaws in outdated software. Applying updates promptly to operating systems, applications, and devices closes those flaws before they can be used. Automating patches where possible keeps you from falling behind.

8. Back up your data and test recovery

Good backups turn ransomware from a crisis into an inconvenience. Keep at least one backup offline or separated from your network, and test a restore regularly so you know it actually works when you need it.

9. Train your team to spot phishing

Human error plays a major role in most incidents, and phishing is the favorite way in. Short, regular training teaches people to pause on suspicious links, verify unusual requests, and report anything odd. A trained team is one of your strongest defenses.

10. Maintain continuous monitoring

You cannot respond to what you cannot see. Continuous monitoring watches for unusual activity so a small intrusion gets caught before it spreads. For most small businesses, this is where a managed IT partner earns its keep, because someone is watching even after hours.

How to Prevent AI-Powered Cyberattacks

Attackers now use AI to write phishing emails that are nearly flawless and to clone voices for phone scams. A message that once had clumsy grammar may now read like it came from your bank or your boss, and a voicemail may sound exactly like a coworker asking for a wire transfer.

The defenses do not change as much as you might fear. Multi-factor authentication still blocks the stolen password an AI phishing email is fishing for. Default-deny still stops the malware. What rises in importance is verification and training. Teach your team to confirm money requests and credential changes through a second channel, like a phone call to a known number, no matter how convincing the message looks. AI makes the bait better, so the habit of slowing down and verifying matters more than ever.

What to Do If You’re Attacked Anyway

Even strong defenses can be tested, so know your response in advance. Disconnect the affected device from the network to stop the spread, but do not wipe it, because the evidence helps figure out what happened. Call your IT provider right away. Change passwords from a clean device, starting with email and banking. If customer or patient data may be exposed, Nevada’s breach notification law, NRS 603A, requires notifying affected individuals, so document what you find. Acting fast and calmly limits the damage.

When to Bring In a Local IT Partner

Most small business owners did not start a company to manage cybersecurity, and keeping all ten of these practices current is a real job. A local partner sets them up, watches your systems, and keeps protections updated as threats change.

Nevada IT Solutions is locally owned, so when you call about a problem, a real person here in Reno answers, not a distant call center routed through an investment fund. We work with small and mid-sized businesses across Reno, Sparks, and Carson City, and we scope honestly to what your business actually needs.

Get a Free Cybersecurity Assessment

The fastest way to find your gaps is to look at all of them at once. Nevada IT Solutions offers a 20-point cybersecurity assessment:

Endpoint protection
Patch compliance
Backup integrity and recovery testing
Email security (SPF, DKIM, DMARC)
MFA coverage
Password policy
Network segmentation
Remote access (VPN and Zero Trust)
User access controls
Firewall configuration
Wi-Fi security
Mobile device management
Software licensing
Data classification
Vendor and third-party access
Incident response readiness
Security awareness baseline
Dark web credential check
Disaster recovery plan review
Compliance posture (HIPAA, PCI-DSS, FTC Safeguards)

To see where your business stands, contact Nevada IT Solutions for a cybersecurity assessment.

Frequently Asked Questions

What is the most effective way to prevent cyberattacks?

There is no single fix, but the highest-impact steps are multi-factor authentication, letting only approved software run, and training your team to spot phishing. Together these block the stolen passwords and malicious downloads behind most attacks. Layering them, rather than relying on any one, is what keeps a small business safe.

How can I protect my business from ransomware?

Stop it from running and make it survivable. A default-deny approach prevents unapproved ransomware from launching, while tested backups, kept offline or separated from your network, let you restore your files without paying. Fast patching and multi-factor authentication close the doors ransomware uses to get in.

Why is phishing still so effective?

Phishing works because it targets people, not software, and a single convincing email only needs one person to click. AI has made these messages cleaner and harder to spot. Regular training and a habit of verifying unusual requests through a second channel are the best defenses.

What should I do after a cyberattack?

Disconnect the affected device from the network without wiping it, call your IT provider, and change passwords from a clean device starting with email and banking. If customer data may be exposed, Nevada law NRS 603A requires notifying affected individuals, so document everything. Quick, calm action limits the harm.

How much does cybersecurity cost for a small business in Reno?

Nevada IT Solutions managed services run $75 to $150 per user per month, which covers monitoring, protection, and support. Final pricing depends on how many people you have and what your business needs. We scope honestly after a quick assessment rather than quoting blind.

Why choose a local Reno IT company over a national provider?

With a national provider, you often reach a call center and wait. Nevada IT Solutions is locally owned and operated, so a real person here in Reno answers and knows your business. Decisions are made locally, not by an outside investment fund, which means faster help and a partner who is genuinely accountable to you.

How to Prevent Cyberattacks: 10 Best Practices for Small Businesses