Cybersecurity Is No Longer Optional for Canarian SMEs
There is a dangerous myth among small and medium-sized businesses: “we are too small to be targeted”. The reality proves exactly the opposite. According to data from INCIBE (Spain’s National Cybersecurity Institute), 70% of cyberattacks in Spain target SMEs, precisely because they tend to have less protection than large corporations. Attacking an SME has a much higher probability of success with far less effort.
In the Canary Islands, where the business fabric is made up predominantly of SMEs and micro-businesses, cybersecurity should be an absolute priority. This guide offers a practical roadmap to protect your business.
The Most Common Threats for SMEs
Ransomware
Ransomware encrypts all of a company’s files and demands payment (usually in cryptocurrency) to recover them. It is the most devastating threat for an SME because it can completely paralyse operations. Ransoms demanded from small businesses can range from €5,000 to €100,000, and paying does not guarantee data recovery. Many SMEs that suffer a ransomware attack without adequate backups never fully recover.
Phishing
Phishing attacks use emails, SMS, or calls that impersonate legitimate entities (banks, suppliers, the Tax Agency, courier services) to steal credentials or banking details. They are becoming increasingly sophisticated and difficult to distinguish from genuine communications, particularly with the use of artificial intelligence to personalise messages.
Data Leakage
The loss or theft of client, employee, or company data can occur through external attacks, but also through internal errors: an employee sending sensitive information by unencrypted email, a laptop lost without a password, or a cloud access that is misconfigured. Under GDPR, a data breach can have very serious economic and reputational consequences.
Supply Chain Attacks
Attackers compromise a supplier to gain access to their clients. If your business uses third-party software or shares systems with suppliers, a breach in their security can affect you directly.
The 10 Essential Cybersecurity Measures
1. Automated, Verified Backups
The most important measure against ransomware. Backups must follow the 3-2-1 rule: three copies of data, on two different media, with one copy off-site (in the cloud or at another physical location).
As important as making backups is verifying they work. A backup that has never been tested is not a real backup — it is a false sense of security.
2. Updates and Patches Up to Date
Outdated software is the most common entry point for cyberattacks. Microsoft’s Security Intelligence Report indicates that most attacks exploit vulnerabilities that have had patches available for months. Keeping your operating system, applications, and network device firmware up to date is the most effective and lowest-cost preventive measure.
3. Properly Configured Firewall
A firewall is not just a device you install and forget. It requires professional configuration, updated rules, and continuous monitoring to be effective. A next-generation firewall (NGFW) with deep packet inspection is the recommended option for businesses handling sensitive data.
4. Antivirus and EDR on All Devices
Traditional antivirus is no longer sufficient against modern threats. EDR (Endpoint Detection and Response) solutions offer advanced behaviour-based threat detection and automated incident response capabilities. Solutions such as Bitdefender GravityZone or Microsoft Defender for Business provide this level of protection at prices accessible to SMEs.
5. Password Management
- Unique, complex passwords for each service (minimum 12 characters)
- Enterprise password manager (Bitwarden Business, 1Password Teams)
- Prohibition on reusing passwords across personal and professional services
- Mandatory change after any suspected compromise
6. Multi-Factor Authentication (MFA)
Enable MFA on all services that support it, especially email, VPN, remote access, and cloud applications. According to Microsoft Security data, MFA blocks more than 99.9% of account compromise attacks, making it the security measure with the best cost-benefit ratio in all of cybersecurity.
7. Network Segmentation
Separate the network into segments (employees, guests, servers, IoT devices) so that an attack in one segment does not propagate across the entire infrastructure. This is especially critical in environments with IoT devices such as security cameras, alarm systems, or building automation.
8. Ongoing Staff Training
The human factor is the weakest link in the security chain. Verizon’s Data Breach Investigations Report indicates that 74% of breaches involve the human element. Regular training should cover:
- How to identify phishing emails
- Good password practices
- Personal device use policy (BYOD)
- What to do when a suspicious incident occurs
9. Incident Response Plan
Have a documented plan that defines:
- Who is responsible for what in the event of an incident
- Steps to take to contain the attack
- Communication procedure (AEPD, affected clients)
- Recovery process with estimated times
10. Sensitive Data Encryption
Encrypt confidential information both at rest (hard drives, servers) and in transit (communications, file transfers). This is a GDPR requirement for personal data and a basic security practice for any business.
What to Do in the First 24 Hours After a Security Incident
Knowing how to react quickly to a cyberattack is just as important as preventing it. If you detect an incident (encrypted system, stolen data, unauthorised access), follow these steps:
First Hour: Containment
- Disconnect affected equipment from the network immediately (unplug the network cable, do not just disable WiFi). This prevents malware or the attacker from spreading to more systems.
- Do not power off affected equipment: logs in memory can be crucial for forensic analysis.
- Change passwords for all relevant accesses from an uncompromised device.
- Notify your IT provider immediately with all available details.
First 8 Hours: Assessment
- Identify the scope: which systems and data have been affected.
- Preserve evidence: screenshots, logs, suspicious emails.
- Assess whether personal data has been compromised: if so, activate the GDPR protocol.
First 24 Hours: Legal Obligations
- If personal data is affected: GDPR requires notification to the AEPD within a maximum of 72 hours of becoming aware of the breach. If the risk to those affected is high, they must also be notified directly.
- Report to authorities: contact the National Police or INCIBE (017) to report the incident.
Cybersecurity in the Canarian Tourism Sector
Tenerife is one of Europe’s most visited tourist destinations, and the tourism sector handles enormous volumes of personal data: names, passports, credit cards, guest preferences. A hotel, holiday apartment, or travel agency has particularly demanding security and data protection obligations.
The most common attacks in the tourism sector include:
- Phishing targeting reservations departments: emails impersonating OTAs (Booking.com, Expedia) requesting payment updates
- TPV malware: malicious software capturing card data at the point of payment
- Unauthorised access to hotel management systems (PMS): to manipulate prices, bookings, or extract guest data
The digitalisation of the Canarian tourism sector is a huge business opportunity — but only if managed with adequate security measures.
GDPR Compliance: What Your SME Needs to Know
The General Data Protection Regulation is not just a legal obligation; properly implemented, it significantly improves your company’s security. Key obligations for SMEs include:
Record of Processing Activities
Document what personal data is collected, for what purpose, for how long, and who has access to it.
Technical and Organisational Measures
Implement security measures proportionate to the risk: encryption, access control, backups, and the measures already described in the previous sections.
Breach Notification
In the event of a security breach affecting personal data, the company has 72 hours to notify the AEPD and must inform those affected if the risk is high. Failure to comply with this obligation can result in additional fines.
Common Cybersecurity Mistakes in SMEs
These are the mistakes we see most frequently in businesses across the Canary Islands:
- Believing “an antivirus is enough”: cybersecurity is a multi-layer approach
- Not making backups or not verifying they work
- Using the same password for everything: one compromise affects all services
- Not training staff: more than 70% of incidents involve human error
- Ignoring updates: every pending patch is an open vulnerability
- Having no recovery plan: when an incident occurs, improvisation multiplies the damage
- Sharing credentials between employees: makes audit and access control impossible
Protect Your Business with Professional Help
Cybersecurity is a constantly evolving field. What was secure last year may not be today. Having a technology partner who keeps your defences up to date is the smartest decision an SME can make.
Check out our IT security service for businesses and see how we protect Canarian SMEs with comprehensive solutions. If you also need to keep your systems up to date, our preventive maintenance service includes scheduled security updates.
At SOINTE, we help businesses in Tenerife and the Canary Islands assess their security level, implement the necessary measures, and keep them updated. Request a no-obligation cybersecurity audit and discover the real state of your company’s protection.