Blindaje 720: the 5 security gaps threatening the survival of Spanish SMEs in 2026

In the Spanish business community there is a belief as widespread as it is dangerous: "My company is too small to be a target". The data, however, tells a radically different story. According to the latest cybersecurity report from INCIBE (Spain's National Cybersecurity Institute), small and medium-sized companies are now attackers' favourite target, not because of the size of their assets but because of the fragility of their walls. Accelerated digitalisation has left doors open that criminals are not willing to ignore. At Ciberseguridad 720 we understand that security is not a product but a state of constant vigilance. That is why we break down the five tactics that are threatening business continuity in our country.

1. Phishing: the evolution of the digital hook

Phishing is no longer that badly written email promising a distant inheritance. Today, thanks to generative Artificial Intelligence, attackers write flawless emails that perfectly imitate the visual identity and tone of banks, public authorities or logistics providers. According to recent Kaspersky reports, around 50% of Spanish companies have experienced impersonation attempts in the last year. The technical danger lies in quishing (QR phishing) and mirror pages that capture credentials in real time, even bypassing some weak two-factor authentication systems. It is not just an email; it is an infrastructure designed to deceive.

2. Ransomware: holding operations hostage

If phishing is the hook, ransomware is the knockout blow. This malicious software encrypts the company's critical files and demands a cryptocurrency ransom to release them. However, the current trend in Spain has shifted towards double extortion: attackers not only lock the data but threaten to leak confidential client and employee information if the ransom is not paid. The average recovery cost for an SME far exceeds many companies' ability to survive the reputational and legal impact. Prevention here is not optional; an immutable backup architecture is the only guarantee of not having to negotiate with criminals.

3. CEO fraud: when hierarchy becomes a weapon

This attack, technically known as Business Email Compromise (BEC), does not require complex malicious code but a deep understanding of organisational psychology. The attacker impersonates a senior executive and contacts the finance department requesting an urgent transfer for a supposedly confidential operation. Pressure and respect for hierarchy often cloud the employee's judgement. It is a reminder that the most advanced technology is useless if internal verification processes are not watertight. Security is, above all, a culture of verification.

4. The Trojan horse: supply chain attacks

In an interconnected ecosystem, your security is only as strong as the weakest link among your suppliers. Cybercriminals have discovered that it is more efficient to attack a management software (ERP) or IT services provider than a hundred SMEs individually. By compromising a trusted tool, they gain legitimate access to all its clients. This "cascade effect" turns external collaborators into unwitting entry points. At Ciberseguridad 720 we insist that third-party audits and the principle of "least privilege" are essential to prevent someone else's problem from becoming your own catastrophe.

5. Social engineering: manipulation as a science

Finally, we face social engineering in its purest form. It is not about hacking machines but about hacking people. Through phone calls (vishing) or text messages (smishing), attackers manipulate human emotions: fear, urgency or curiosity. A simple "unauthorised access to your account has been detected, click here" can be the beginning of the end. Continuous team training is the only security update that protects this flank. Without awareness, the most expensive firewall on the market is simply an illusion of protection.

Resilience is no accident

Cybersecurity should not be seen as an expense but as an investment in business resilience. In an environment where threats evolve every hour, having an expert ally who understands the local landscape is vital. The question for managers and owners is not whether they will be attacked, but whether they will be ready when it happens. Comprehensive 720 protection means anticipating, detecting and, above all, knowing how to react.

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