How to Protect Your Business From Cyberattacks: Layer UP

Attackers look for the easiest way in: a software flaw that never got fixed, a password reused across three sites, a convincing email that lands at the end of a long day. Each one is a small gap. Close one, and they move on to the next.

The most reliable way to protect your business from cyberattacks is to layer your defenses. Use several independent protections, from the firewall and email filtering to MFA, employee training, endpoint detection, around-the-clock monitoring and tested backups, so when one layer misses an attack, the next one catches it.

Key takeaways

Exploited software flaws are now the most common way attackers get in, ahead of stolen passwords.
Eight layers, from the firewall to tested backups, give an attack several chances to fail before it does damage.
Most breaches trace back to an ordinary gap: a late update, a missing MFA prompt, an untested backup or an alert nobody saw.

31%

of breaches started with an exploited software flaw, now the top way in

48%

of breaches involved ransomware, up from 44% a year earlier

62%

of breaches involved a person, through a click, a call or a mistake

Source: Verizon 2026 Data Breach Investigations Report

Why one security tool can’t cover everything

Attacks come from several directions at once. Some target software, some target people, and some simply log in with a password bought on the dark web. Reported cybercrime losses climbed to $20.9 billion in 2025, according to the FBI’s Internet Crime Report, and every one of those losses started with a single way in.

Think about how you protect a building. A locked door, an alarm, cameras and insurance each handle a different failure. Nobody expects the lock to do the alarm’s job. Security for your network works the same way, and the industry name for it is layered security, or defense in depth.

8 layers that protect your business from cyberattacks

Select a layer to see what it does, or follow a common attack to see which layers stop it.

Firewall

The front gate of your network. A firewall inspects traffic in and out, blocks anything that breaks your rules and closes the ports attackers scan for. Firewalls and VPNs are frequent exploit targets themselves, so they need current firmware and regular rule reviews.

Learn about managed firewall

Email security

Filtering scans every incoming message for malware, phishing links and impostor senders before anyone has a chance to click.

Learn about Microsoft 365 data protection

Multifactor authentication (MFA)

A second check at sign-in, like an app approval or a code. With MFA on every account, a stolen password alone won’t get anyone in.

Learn about MFA

Security awareness training

Your people see the emails, texts and phone calls that slip past filters. Regular training and simulated phishing tests teach them what to look for. Verizon found phishing simulations sent by text or voice get clicked at a 40% higher rate than email.

Learn about security awareness training

Remote monitoring and management

Every computer and server monitored, configured and updated on a set schedule, so known flaws close before attackers can use them.

Learn about managed IT services

Endpoint detection and response (EDR)

EDR watches how software behaves on each device. When something starts acting like ransomware, it can stop the process and isolate the machine in seconds.

Learn about EDR

Managed detection and response (MDR)

Security analysts in a security operations center (SOC) watch your environment around the clock, sort real threats from the noise and respond, nights and weekends included.

Learn about managed security

Business continuity

The last line. Backups stored off the network where ransomware can’t reach them, and tested with real restores, so even a successful attack doesn’t become a permanent loss.

Learn about managed backup

Layer 1 of 8

4 of 8 layers stand in the way

Where most businesses leave gaps

Most businesses already have some of these layers in place. The trouble usually hides in the details.

43 days

Median time to fully fix a critical, actively exploited flaw in 2025. Only 26% of those flaws were fully fixed at all.

Source: Verizon 2026 Data Breach Investigations Report

Updates fall behind

Critical fixes wait in a queue while attackers scan for the exact flaws they close.

MFA has holes

It gets turned on for email and skipped on remote access, admin accounts or an older app that never supported it.

Backups go untested

A backup job can fail quietly for weeks. The first restore attempt shouldn’t happen during a ransomware attack.

Alerts fire after hours

A suspicious sign-in at 2 a.m. on a Saturday is only useful if someone sees it before Monday.

Each gap looks small on its own. Lined up, they give an attacker a clear path.

How many layers does your business have?

Answer eight quick questions and watch your stack build.

Question 1 of 8 Firewall

Is your firewall kept up to date and monitored?

Question 2 of 8 Email security

Is incoming email filtered for phishing and malware?

Question 3 of 8 MFA

Is MFA on for every account, including remote access and admin logins?

Question 4 of 8 Awareness training

Does your team get phishing training and simulated tests every year?

Question 5 of 8 Remote monitoring

Do updates install on a set schedule across every computer and server?

Question 6 of 8 EDR

Can your devices detect and isolate ransomware on their own?

Question 7 of 8 MDR

Is someone watching for threats around the clock, nights and weekends included?

Question 8 of 8 Business continuity

Have you tested a real restore from an off-network backup in the last six months?

0 of 8 layers in place

Talk through your results

Something is coming UP.

We’ve been building something new for businesses that want every layer covered.

11.10See what’s next

Frequently asked questions

How do I protect my business from cyberattacks?

Layer your defenses so no single failure becomes a breach. A full stack covers eight layers: firewall, email security, multifactor authentication, security awareness training, remote monitoring and management, endpoint detection and response, managed detection and response, and business continuity with tested backups.

What is the most common way attackers get into a business?

Exploiting a known software flaw. Verizon’s 2026 Data Breach Investigations Report found 31% of breaches started that way, overtaking stolen credentials at 13%. Keeping software, firewalls and VPNs updated on a schedule closes most of those openings.

Is antivirus enough to protect a business?

Antivirus is one layer. It catches known malicious files on a device, which leaves other common attacks uncovered, like someone signing in with a stolen password or exploiting an unpatched VPN. Email security, MFA, endpoint detection, monitoring and backups cover those paths.

Why do we need MFA if we use strong passwords?

Strong passwords still get stolen through phishing, data breaches and malware. MFA adds a second check, like a code or an app approval, so a stolen password alone isn’t enough to get into an account.

Where should a business start if it can’t add every layer at once?

Start with your biggest gaps. For many businesses that means MFA on every account, updates on a set schedule and a backup you’ve actually restored from. Add detection and around-the-clock monitoring next, then keep building from there.

Not sure which layers you’re missing?

Talk with an Aureon security expert. We’ll walk through your setup layer by layer and show you where to Layer UP first. Or explore the full 8-layer security stack.

Speak with an Expert