Hurricane Season and Cybersecurity: Why Disaster Preparedness Must Include a Digital Defense Plan

When the Storm Hits, So Do the Scammers

Hurricane season brings a familiar checklist for most homeowners and business owners — stockpile supplies, review insurance policies, back up important documents, and monitor weather alerts. But there’s one item that rarely makes the list, and its absence can be costly: cybersecurity preparedness.

Natural disasters create the perfect conditions for cybercriminals to strike. When communities are overwhelmed, distracted, and desperate for help, threat actors move fast. They launch phishing campaigns disguised as FEMA relief notices, impersonate contractors and utility companies, and exploit the chaos of recovery to infiltrate systems that may have been left vulnerable during the rush to evacuate or shut down operations.

For small and mid-sized businesses especially, failing to account for cyber threats during hurricane season can turn one disaster into two.

The Cyber Threat Landscape During Natural Disasters

It may seem counterintuitive — why would hackers target businesses that are already struggling with storm damage? The answer is simple: opportunity. Disaster scenarios weaken the usual defenses. IT staff may be displaced, systems may be operating on backup power or remote access, and employees are more likely to click on urgent-looking emails when they’re already under stress.

Some of the most common cyber threats that spike during hurricane season include:

• Phishing emails impersonating government agencies like FEMA, the Red Cross, or insurance providers
• Fraudulent donation solicitations targeting individuals and businesses trying to support relief efforts
• Ransomware attacks targeting businesses operating with reduced IT oversight during recovery
• Business Email Compromise (BEC) scams exploiting confusion around vendor payments and insurance claims
• Fake contractor and vendor schemes using spoofed email addresses to redirect payments

The Cybersecurity and Infrastructure Security Agency (CISA) has consistently warned that phishing attempts and email scams surge following major natural disasters, as criminals exploit the urgency and confusion that follows in a storm’s wake.

Why Small Businesses Are Particularly Vulnerable

Large enterprises typically have dedicated IT security teams, incident response protocols, and redundant infrastructure. Small businesses rarely have those same resources — and cybercriminals know it.

During a hurricane or major storm event, small business owners are juggling an enormous amount: assessing property damage, communicating with employees, filing insurance claims, and trying to resume operations as quickly as possible. Cybersecurity is often the last thing on anyone’s mind — which is exactly when it needs to be front and center.

A single successful phishing attack during this window can result in:

• Stolen credentials and unauthorized account access
• Fraudulent wire transfers
• Ransomware deployment that locks critical business data
• Exposure of sensitive customer or employee information
• Long-term reputational and financial damage

Recovery from a cyberattack layered on top of physical storm damage can be devastating — and for many small businesses, it’s an unrecoverable combination.

Building a Disaster Preparedness Plan That Includes Cybersecurity

True disaster preparedness means planning for all threats — not just the ones you can see on a weather radar. Here’s how to build cybersecurity into your hurricane readiness strategy.

Back Up Your Data — and Verify Those Backups

Before storm season peaks, ensure that all critical business data is backed up using the 3-2-1 rule: three copies of your data, on two different media types, with one stored offsite or in the cloud. More importantly, test those backups. A backup that hasn’t been verified is just a false sense of security.

Cloud-based backups are particularly valuable in hurricane-prone regions because they remain accessible even if your physical office is damaged or destroyed.

Establish a Clear Communication Protocol

One of the biggest vulnerabilities during a disaster is communication breakdown. When normal channels are disrupted, employees may resort to personal email, unsecured messaging apps, or other non-standard tools — all of which introduce risk.

Define in advance how your team will communicate during and after a storm event. Designate secure, approved tools and make sure employees know not to conduct business over unsecured networks or personal devices unless absolutely necessary.

Train Employees to Recognize Disaster-Related Phishing

Your team is your first line of defense — and your greatest vulnerability. The FBI’s Internet Crime Complaint Center (IC3) has documented how disaster-themed phishing campaigns routinely follow major weather events, targeting both individuals and organizations.

Before hurricane season, conduct targeted security awareness training that specifically addresses disaster-related scams. Employees should know to:

• Verify the sender of any email related to relief funds, insurance claims, or government assistance
• Avoid clicking links in unsolicited emails, even if they appear legitimate
• Confirm payment requests and vendor changes through a secondary, verified channel
• Report suspicious emails immediately to IT or management

Secure Remote Access Before You Need It

If a storm forces your team to work remotely, you need to know that remote access is both functional and secure before that moment arrives. This means:

• Implementing multi-factor authentication (MFA) on all remote access points
• Using a VPN for secure connectivity
• Auditing who has remote access and removing accounts that are no longer needed
• Ensuring endpoint devices used for remote work are patched and protected

The National Institute of Standards and Technology (NIST) provides network security guidance specifically tailored for small businesses, which serves as a strong foundation for building out your remote access security policies.

Review and Update Your Incident Response Plan

If you don’t have an incident response plan, now is the time to create one. If you do have one, hurricane season is an excellent prompt to review and update it. Your plan should outline:

• Who is responsible for cybersecurity decisions during a crisis
• How and when to isolate compromised systems
• Who to contact in the event of a breach (legal, IT, law enforcement)
• How to communicate with customers and stakeholders if data is compromised
• Steps to resume secure operations after an incident

Work With a Managed Security Provider

For many small and mid-sized businesses, maintaining an in-house cybersecurity team isn’t realistic. That’s where a managed detection and response (MDR) provider becomes invaluable — especially during a disaster scenario.

An MDR partner monitors your environment around the clock, detects threats in real time, and responds to incidents even when your internal team is unavailable or displaced. During hurricane season, that continuous coverage can be the difference between catching an intrusion early and discovering it weeks later after significant damage has been done.

What to Do Immediately After a Storm Event

Once the storm has passed and you’re beginning recovery operations, add these cybersecurity steps to your checklist alongside the physical assessments:

1. Audit access logs for any unusual activity that occurred during the storm window
2. Verify the integrity of critical systems before bringing them back online
3. Change passwords on key accounts, particularly if any devices were lost, stolen, or left unattended
4. Alert employees to be on high alert for phishing emails in the days and weeks following the storm
5. Review financial accounts for unauthorized transactions, especially if vendor communications occurred during the disruption
6. Contact your IT provider for a post-storm security assessment before resuming full operations

Disaster Preparedness Is Year-Round Work

The most effective cybersecurity strategies aren’t reactive — they’re built in advance, tested regularly, and updated as threats evolve. Waiting until a storm is on the radar to think about your digital defenses is too late.

Ready.gov’s hurricane preparedness resources cover the physical side of disaster readiness thoroughly. Pair that guidance with a robust cybersecurity plan and you’ll be far better positioned to weather any storm — natural or digital.

The businesses that come out strongest on the other side of a disaster are the ones that prepared for every dimension of risk. That includes the threats that don’t show up on a weather map.

Partner With a Team That Understands Both Risk and Recovery

Alliance IT works with small and mid-sized businesses to build cybersecurity strategies that hold up under pressure — including the unique vulnerabilities that emerge during hurricane season and other disaster scenarios. From continuous threat monitoring to employee training and incident response planning, we help businesses stay protected when it matters most.

Don’t wait for a storm warning to start thinking about your digital defenses. Contact us today to discuss how we can strengthen your cybersecurity posture before hurricane season puts it to the test.