Summer Cybersecurity Risks: Why SMBs Are More Exposed

TL;DR:

• Summer vacations, remote work, and reduced IT coverage can create cybersecurity gaps that attackers look to exploit.

• Cyberattacks often begin well before ransomware is deployed, giving criminals time to move through systems, steal credentials, and gain higher-level access.

• SMBs can reduce risk with strong access controls, tested backups, employee verification procedures, clear incident response, and 24/7 cybersecurity monitoring.

  
  

Headed down the shore? First, make sure your small business is protected!

If you’re in Philly, summer means heading down the shore to beat the heat - beach days, boardwalk nights, ice cream, and time with family and friends. Or maybe you’re staying closer to home, catching a Phillies game, enjoying a festival, or taking advantage of everything happening around the city this time of year.

For business owners and employees alike, summer is a time to unplug a little, use those vacation days, and enjoy the season.

Unfortunately, cybercriminals don’t take summer vacation.

In fact, the very things that make summer enjoyable can also create cybersecurity gaps for small and medium-sized businesses. Employees are out of the office. IT teams are running lean. Executives are traveling. People are working from vacation homes, hotels, and unfamiliar networks. And normal approval or escalation processes can become a little less predictable.

As more employees work from different locations, businesses also need to think beyond the traditional office perimeter. We recently covered several of those challenges in our guide to remote work security and protecting employees working from everywhere.

Attackers look for those gaps.

And a cyberattack doesn’t always begin the day your systems go down. Criminals can gain access weeks earlier, quietly move through your network, steal credentials, and work their way toward administrator-level access. Then they can choose a low-attention moment - a weekend, holiday, or short-staffed summer week - to deploy ransomware or disrupt critical systems.

That doesn’t mean you should spend the summer worrying about cyberattacks. It means your cybersecurity coverage needs to keep working even when your team isn’t.

Why Summer Cybersecurity Risks Increase for Small Businesses

Most small business cybersecurity programs depend heavily on a limited number of people. An internal IT employee, office manager or executive may be the only person who knows how certain systems work or who should be contacted when something unusual happens.

When that person is away, several risks can emerge.

Security alerts may be delivered, but no one is actively investigating them. An employee covering an unfamiliar role may approve a request that would normally receive additional scrutiny. Routine software updates or backup checks may be postponed until everyone returns.

Summer work habits can also create new opportunities for attackers. Employees may access company systems from hotels, rental properties, personal devices or public Wi-Fi. Interns, temporary employees and vacation coverage may be given access that is not carefully reviewed. Public out-of-office messages may even tell criminals who is unavailable and who is covering their responsibilities.

The issue is not that remote work or employee vacations are inherently unsafe. The problem arises when normal safeguards quietly disappear because everyone assumes someone else is watching.

Before peak vacation periods begin, businesses should establish backup owners for security alerts, payment approvals, vendor changes and IT escalation. There should always be a clear answer to this question:

Who will investigate and respond if something suspicious happens while the primary contact is away?

For SMBs without enough internal resources to maintain that coverage, a managed or co-managed IT services model can provide additional expertise and continuity when members of the internal team are unavailable.

A Cyberattack Usually Starts Before the Ransomware Appears

Many business owners imagine a cyberattack as a single event: an employee clicks a malicious link, and the company’s systems are immediately encrypted.

That can happen, but many serious attacks follow a longer process.

An attacker first gains an entry point. That might come from a stolen password, phishing message, unpatched system, compromised vendor account or exposed remote-access tool.

Once inside, the attacker may spend time learning how the company’s environment works. This period between the initial compromise and detection is commonly called dwell time.

Mandiant’s 2026 incident-response research reported a global median dwell time of 14 days, up from 11 days the previous year. In other words, the typical intrusion in its investigations was present for approximately two weeks before being detected. Read Mandiant's M-Trends 2026 research.

Think of it like a burglar quietly copying a key to a side entrance.

The burglar may not immediately take anything. Instead, they return later, learn the building’s layout, locate valuable items, find the master keys and identify how to disable the alarm. Only then do they choose the moment when the building is least likely to be watched.

A cybercriminal can follow a similar path.

• Step 1: Establish an Entry Point

The attacker compromises an employee account, device, cloud application or internet-facing system.

At this stage, changing one password may help - but only if the attacker has not already created another way to return.

• Step 2: Establish Persistence

Attackers frequently try to maintain access even if the original entry point is discovered. They may create another account, authorize a malicious application, steal a browser session or install a remote-access tool.

• Step 3: Move Laterally

Lateral movement means moving from the initially compromised employee or computer into other parts of the business. The attacker may search for file servers, cloud administration, financial systems, customer records, business applications and backups. This is why one compromised employee account can become a company-wide incident. The initial breach is only the doorway.

• Step 4: Escalate Privileges

The attacker then looks for administrator-level access.

Administrative privileges can allow someone to change security settings, create accounts, disable protective tools and access systems that a normal employee cannot reach.

• Step 5: Create the Business Impact

Once the attacker has enough control, they may steal data, disrupt backups and deploy ransomware across multiple systems. The visible attack may happen at night, over a weekend or during a week when key employees are away.

CISA's StopRansomware Guide recommends measures including network segmentation and endpoint detection and response because they can help restrict or identify lateral movement before an attacker reaches additional systems.

Effective ransomware prevention for SMBs therefore requires more than email filtering. Businesses also need the ability to recognize suspicious behavior after a device or account has been compromised.

That is where layered cybersecurity services - including continuous monitoring, endpoint protection, vulnerability management, identity protection and incident response - become particularly important.

Want a quick overview? Watch our short video on three cybersecurity risks every business should understand.

Why Attackers Choose Low-Attention Moments

Criminals want time to operate without interruption.

A suspicious login at 2:00 p.m. on a normal Tuesday may receive an immediate response. The same activity at 2:00 a.m. on a holiday weekend may remain unnoticed for hours.

Those hours matter.

A delayed response can give an attacker more time to compromise additional accounts, access critical servers or interfere with backups. When the primary IT contact is unavailable, employees may also be unsure who has the authority to shut down an account or isolate a device.

CISA, the FBI and the NSA have specifically warned organizations about increased ransomware activity during non-business hours, particularly holidays and weekends. Read the joint CISA, FBI and NSA ransomware advisory.

Businesses can reduce this risk by deciding in advance:

• Who is responsible for after-hours security alerts?

• Who can disable a compromised account?

• Who can isolate a suspicious device without waiting for executive approval?

• How will the company reach its IT provider, insurer, legal counsel and bank during an emergency?

An incident-response plan is only useful when the people named in it are available - or have designated backups.

The Real Cost of an Attack Is More Than the Ransom

For an SMB, the most damaging part of an attack may not be the ransom demand.

The larger cost can come from employees being unable to work, orders going unprocessed, services being delayed, customer communications being interrupted and emergency specialists being brought in to restore operations.

2026 Data Breach Investigations Report (DBIR) | Verizon analyzed approximately 70,000 cyber-insurance claims. It found that in the most severe 2.5% of SMB cases, the financial loss from a data breach exceeded 7% of the organization’s annual revenue.

For a business generating $5 million in annual revenue, 7% represents $350,000. Because revenue is not the same as profit, a loss of that size can consume a significant portion of an SMB’s operating margin.

And the financial impact is only part of the picture.

An attack can leave employees unable to work, disrupt customer service, delay billing and force the organization to shift its attention from running the business to recovering it.

This is why every SMB should understand the approximate cost of one day without its most important systems.

• How much revenue would be delayed?

• How many employees would be unable to work?

• Could customers still be served?

• Could invoices be issued?

• Could critical data be recovered?

Those answers help leadership make better decisions about cybersecurity, monitoring and recovery investments.

AI Is Making Cyberattacks Faster and More Convincing

Artificial intelligence has not replaced traditional cybercrime. It is making proven methods easier to scale and harder for employees to recognize.

AI-Generated Phishing Attacks

Traditional phishing messages often contained obvious spelling errors, strange wording or poor formatting. AI can help criminals produce polished, professional messages that appear to come from an executive, vendor or customer.

Attackers can use public information from company websites and social media to personalize these messages. They can also quickly translate scams, mimic a person’s writing style and create different versions for specific employees.

The FBI has warned that cybercriminals are using AI to create highly targeted phishing campaigns with convincing, personalized messages and proper grammar and spelling. Read the FBI's warning on AI-enabled cybercrime.

A summer scenario might involve an employee receiving a polished email from a supposedly traveling executive:

"I’m heading into a meeting and cannot talk. Please process this payment before the end of the day."

The message may sound believable because the executive really is away.

Employees should independently verify payment requests, payroll changes and vendor banking updates using a known phone number or a separate communication channel. They should never rely only on the contact information provided in the suspicious message.

Voice Cloning and Deepfake Fraud

AI-generated audio can also imitate an executive, employee or vendor.

A criminal might leave a voicemail authorizing a payment, call the help desk requesting a password reset or pose as an employee who has lost access while traveling.

The FBI has warned that AI-generated voice cloning can sound nearly identical to the person being impersonated, making independent verification increasingly important. Read the FBI's guidance on AI voice impersonation.

Businesses should require additional verification for unusual or high-risk requests, even when the caller appears to sound familiar. Employees should also know that legitimate IT personnel should never ask them to disclose a multifactor authentication code.

AI-Assisted Vulnerability Discovery

AI can help attackers perform repetitive research, scan systems and analyze software weaknesses more quickly.

Google Threat Intelligence Group reported in 2026 that it identified what it believes was the first observed use of a zero-day exploit developed with AI assistance by a threat actor.

That does not mean every SMB will be attacked with a sophisticated AI-created exploit. It does reinforce an important point: automated attacks make it easier for criminals to search large numbers of businesses for the same exposed system or unpatched weakness.

Being small does not make a company invisible to automated scanning.

A Practical Summer Cybersecurity Checklist

Before employees begin taking vacations, leadership and IT should review five areas.

1. People and Coverage

Identify primary and backup incident contacts. Cross-train the employees responsible for finance, payroll, vendor management and IT escalation.

Avoid placing detailed travel dates or internal reporting structures in public out-of-office messages.

If employees will be working while traveling, revisit your policies around devices, networks and access. Our guide to remote work security covers additional ways to protect employees working beyond the traditional office.

2. Accounts and Access

Require multifactor authentication for email, cloud services, remote access and administrator accounts.

Review administrative privileges, disable inactive accounts and remove access belonging to former employees or vendors.

Employees should use separate accounts for everyday work and administrative tasks whenever possible.

3. Monitoring and Containment

Confirm that critical endpoint, identity, cloud and network alerts are actively reviewed after hours.

Simply sending an alert to an inbox is not the same as providing 24/7 cybersecurity monitoring.

Your team should also have the ability to quickly disable a compromised account and isolate a suspicious device before the activity spreads.

CISA recommends monitoring network traffic for abnormal activity and using endpoint detection and response tools to help identify lateral connections within an environment.

Continuous monitoring and threat detection are also core components of Hyopsys' business cybersecurity services.

4. Backups and Recovery

Confirm that critical systems are included in backups and that attackers cannot modify every backup using the same administrative credentials.

Most importantly, test an actual restoration. A notification stating that a backup completed successfully does not prove that the business can restore its systems within an acceptable timeframe.

5. Incident Response

Run a short exercise before peak vacation season. Assume the primary IT contact is unavailable, an administrator account has been compromised and employees cannot access a critical application.

Then ask the team to walk through what happens next.

The exercise does not need to be complicated. Its purpose is to identify unclear responsibilities, missing contact information and decisions that would otherwise be made during an emergency.

Five Questions to Ask Before Your Team Goes on Vacation

1. Who investigates a security alert at 2:00 a.m. or when our primary IT contact is unavailable?

2. Could one compromised account reach our servers, cloud administration or backups?

3. How quickly could we isolate a suspicious device or disable an account?

4. Would employees independently verify an urgent payment request from a traveling executive?

5. When did we last restore a critical system from backup and confirm that it worked?

If leadership cannot confidently answer these questions, the business has identified a summer readiness gap worth addressing now.

How an MSP Helps Protect Your Business When Your Team Is Away

An MSP should not replace your internal knowledge or decision-making. It should extend your capabilities and provide consistency when internal resources are stretched.

For companies without an internal IT department, managed IT services can provide the team, processes, tools and accountability needed to support day-to-day technology.

For businesses that already have internal IT resources, a co-managed approach can add coverage, specialized expertise and additional capacity - particularly when employees are on vacation or the internal team is focused on larger business initiatives.

More importantly, an MSP with 24/7 cybersecurity monitoring can watch for the activity that happens between initial access and ransomware deployment: abnormal logins, suspicious administrative changes, unusual device behavior and attempts to move laterally across the environment.

An MSP can also help businesses:

• Review administrative access.

• Identify and remediate vulnerabilities.

• Protect and test backups.

• Monitor endpoints, identities, networks and cloud applications.

• Coordinate after-hours incident response.

• Train employees to recognize AI phishing attacks and impersonation fraud.

• Document recovery priorities and business dependencies.

Cybersecurity is ultimately about protecting the ability of the business to keep operating. You can hear directly from one Hyopsys client about their experience strengthening their security in this short cybersecurity customer story.

The goal is not to create fear or prevent employees from taking well-earned time off. It is to make sure the company’s protection does not disappear when they do.

Your Cybersecurity Coverage Should Not Take the Summer Off

Summer cybersecurity risks often come from ordinary business conditions: fewer people, changing schedules, unfamiliar coverage arrangements and slower responses.

At the same time, the ransomware event that shuts down a business may be only the final stage of an intrusion that began days or weeks earlier.

SMBs can reduce their risk by maintaining consistent monitoring, limiting administrative access, strengthening financial verification procedures and making sure someone is prepared to respond at any hour.

Before the vacation calendar fills up, review your after-hours coverage, backups, access controls and incident-response plan.

Hyopsys helps businesses maintain 24/7 visibility, identify suspicious activity before it spreads and keep critical protection in place when internal teams are stretched thin - so your employees can take time off without your cybersecurity taking time off with them.

If you are not sure whether your current coverage is enough, contact Hyopsys to start a conversation about your cybersecurity and IT environment.