CEO Fraud and BEC: 8 Controls Before You Accept a Transfer
1. Introduction CEO fraud is the best-known form of Business Email Compromise (BEC): an email that appears to come from senior management orders an urgent transfer, and the victim executes it. But BEC is much more than that final click: it is an industrialized fraud that in 2024 exceeded ransomware in direct economic damage, according to FBI IC3 statistics, and it targets mainly the company’s payment process. In this article we explain how it works, why the corporate mailbox is the stage of the fraud and which eight controls your company needs before an employee presses “accept transfer”. The goal …
ENS security categories: BASIC, MEDIUM and HIGH explained
How the five security dimensions determine your ENS category, why one high rating drags the whole system up, and why over-categorising is not the safe option. …
Simulated Phishing for Businesses: The 5 Metrics That Really Matter
1. Introduction Simulated phishing for businesses is the most effective exercise available to measure and improve how your employees actually respond to a malicious email. It consists of sending messages that are practically identical to a real phishing attack, in a controlled and authorized environment, to observe what your workforce does before a real attacker finds out for you. For years, cybersecurity training was limited to annual courses that nobody remembers. A simulated phishing for businesses program changes the paradigm: instead of talking about threats in the abstract, every employee faces a concrete scenario and receives immediate feedback. Results are …
Immutable Backups and the 3-2-1-1-0 Rule: Your Last Line of Defense
1. Introduction When everything else fails — antivirus, patching, the human factor — one answer remains for the worst-case scenario: the backup. But a copy without immutability is a false sense of security when the attacker knows where your data lives, because 94% of ransomware attacks attempt to compromise backups and 57% succeed. Immutable backups are the difference between a restoration in days and a negotiation with the extortionist or, in the worst case, the end of the business. In this article you will see the 3-2-1-1-0 rule explained piece by piece, what real immutability means compared with a revocable …
Data Exfiltration Signs: How to Detect a Silent Data Theft
1. Introduction Ransomware screams; exfiltration whispers. While data hijacking produces a visible outage and ransom notes, the silent theft of information can go on for months without anyone noticing. The average lifecycle of an exfiltration breach is 258 days from initial access to containment, and the global average cost of a breach reached $4.88 million, according to IBM’s Cost of a Data Breach report. Detecting earlier is the lever with the highest return: breaches detected internally cost almost one million dollars less than those discovered by a third party. This article is written for executives, IT managers and security teams …
Ransomware Response Plan: First 60 Minutes Checklist
1. Introduction Ransomware remains the threat that causes the most economic damage to businesses, and the moment that defines the outcome is not the first encrypted file: it is the 60 minutes that follow. A well-defined ransomware response plan turns the initial chaos into an ordered sequence of decisions and prevents the incident from becoming a legal, reputational and financial problem that drags the business down for months. Most organizations are not ready for that moment. When the first ransom note appears, the temptation is to power off servers, unplug disks and call the administrator who knew the systems years …
ENS certification in Spain: who needs it and how to obtain it
The Spanish National Security Framework reaches foreign suppliers to the public sector. Who is bound, how categorisation works, what conformity requires and how long it takes. …
Professional Ethical Hacking: Why and When to Hire a Pentester
1. Introduction Professional ethical hacking is, for many companies, the security investment that is easiest to understand and the latest to be made. Hiring a professional who tries to attack your own infrastructure sounds contradictory, but it is exactly the method mature organizations use to discover their vulnerabilities before a real attacker does. A well-executed Professional ethical hacking engagement answers with evidence the question every board should ask: how would an attacker get into my company? In this article we explain what Professional ethical hacking is and what it is not, when it makes sense to hire a pentester, how …
Information Security Plan for SMEs: How to Design It in 5 Phases
1. Introduction The Information security plan is the most important document an SME can commission in cybersecurity, and at the same time the least understood. While large corporations have been managing security with methodology for decades, most small and medium businesses operate with loose measures: an antivirus, an office firewall and plenty of trust. An Information security plan properly designed transforms that improvisation into a system: identified assets, prioritized risks, approved policies and a budget you can defend to the board. In this article we explain how to design an Information security plan in five phases, using the real document …
Cybersecurity Training for Businesses: From Awareness to Drills
1. Introduction Cybersecurity training for businesses is the investment with the best return in any organization’s security budget. Most incidents that end in data encryption, fraud or credential theft begin with a human click: a phishing email, a reused password or an attachment with a macro. No technical tool eliminates that factor; only behaviour does. A well-designed Cybersecurity training for businesses programme measures that behaviour, trains it and corrects it continuously, and it also becomes a requirement for certifications such as ISO 27001 or the Spanish National Security Scheme (ENS). In this article we explain, with the approach we apply …
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