What Is a Ciberataque?

Los ciberataques suponen una amenaza cada vez mayor para las empresas que dan prioridad a la nube, y tienen como objetivo desde los datos de los clientes hasta las operaciones empresariales críticas en entornos híbridos y multinube.

This guide explains the most common attack types, how hackers gain access to your systems, and the strategic steps IT leaders can take to build resilient defenses that can help protect and rapidly recover your organization’s most valuable digital assets.

Un ciberataque es un intento deliberado por parte de los piratas informáticos de infiltrarse en sistemas informáticos, redes o dispositivos con el fin de robar, dañar o destruir información. Esto significa que los atacantes utilizan diversos métodos para eludir las defensas de seguridad y obtener acceso no autorizado a los activos digitales.

Los ciberataques se han convertido en una de las amenazas más graves a las que se enfrentan las empresas en la actualidad. Cuando los atacantes tienen éxito, pueden robar datos confidenciales de los clientes, bloquear archivos conel ransomwareo paralizar por completo las operaciones.

The goals behind these attacks vary depending on who’s launching them. Financial gain drives many cybercriminals – they want to steal money directly from bank accounts, sell data on the dark web, or demand ransom payments to unlock systems. Some attackers focus on espionage, stealing trade secrets or government intelligence that gives them a competitive advantage.

• Financial theft: Direct stealing of money or valuable data to sell.
• Extorsión mediante ransomware: Locking files and demanding payment for the key.
• Corporate espionage: Stealing business secrets or intellectual property.
• Disruption: Shutting down operations to cause chaos or make a statement.

El impacto en una organización puede ser devastador y duradero. Más allá de las pérdidas económicas inmediatas derivadas del robo o del pago de rescates, las organizaciones podrían enfrentarse a costes enormes en concepto de investigación, reparación de sistemas y gastos legales.

Perhaps most damaging is the loss of customer trust and reputation. Once news of a breach becomes public, customers may take their business elsewhere, and partners may question an organization’s ability to protect their information. This reputational damage can affect the bottom line for years after the initial attack.

Today’s cloud-first business environment has made cyberattacks even more dangerous. Data no longer sits safely behind a single firewall – it’s spread across multiple cloud providers, SaaS applications, and employee devices. This expanded attack surface gives hackers more entry points and makes it harder to maintain visibility and control over digital assets.

Posibles repercusiones de un ciberataque

Comprender los diferentes tipos de ciberataques puede ayudar a las organizaciones a reconocer las señales de alerta y a crear mejores defensas. Aunque los atacantes desarrollan constantemente nuevos métodos, la mayoría de las amenazas se clasifican en varias categorías bien definidas.

Malware

El malware es un software malicioso diseñado para dañar, perturbar u obtener acceso no autorizado a los sistemas informáticos. Este término genérico abarca varios tipos específicos de programas dañinos que pueden infectar dispositivos y redes.

• Viruses attach themselves to legitimate files and spread when infected files are shared. Once active, they can corrupt data, slow down systems, or create backdoors for other attacks.
• Worms are self-replicating programs that spread automatically across networks without needing human interaction.
• Trojans disguise themselves as legitimate software to trick users into installing them. Once inside the system, they can steal passwords, install additional malware, or give attackers remote control of the computer.

ransomware

ransomwarees un tipo de malware que cifra tus archivos y exige un pago a cambio de la clave de descifrado. Esto significa que, en esencia, los atacantes retienen los datos como rehenes hasta que se paga el rescate exigido.

Modern ransomware attacks often use “de «doble extorsión” tactics. Attackers first steal sensitive data and then encrypt systems. They threaten to publish stolen information online if their ransom isn’t paid, adding pressure to meet their demands.

Phishing

El phishing es un ataque de ingeniería social en el que los delincuentes se hacen pasar por organizaciones de confianza para engañar a los usuarios y que estos revelen información confidencial. Esto significa que envían correos electrónicos o mensajes de texto falsos, o realizan llamadas telefónicas, haciéndose pasar por un banco, una agencia gubernamental o un socio comercial.

Estos mensajes suelen crear una sensación de urgencia o miedo para incitar a una acción inmediata. Pueden afirmar que se cerrará una cuenta a menos que se verifiquen las credenciales de inicio de sesión, o que se ha ganado un premio, pero que es necesario facilitar información personal para reclamarlo.

Los ataques de phishing que tienen éxito proporcionan a los delincuentes acceso a contraseñas, información financiera u otros datos confidenciales que pueden utilizar para el robo de identidad o para infiltrarse en los sistemas.

Denial-of-Service Attacks

A Denial-of-Service (DoS) attack overwhelms websites or networks with fake traffic to make it unavailable to legitimate users. This means attackers flood systems with so many requests that they can’t handle normal traffic.

Los ataques de denegación de servicio distribuida (DDoS) utilizan redes de ordenadores comprometidos para generar cantidades masivas de tráfico procedente de múltiples fuentes. Esto hace que los ataques sean mucho más difíciles de detener, ya que el tráfico proviene de miles de ubicaciones diferentes.

While these attacks don’t typically steal data, they can cause significant financial damage by disrupting online services and preventing customers from accessing websites or applications.

Insider Threats

Una amenaza interna proviene de alguien dentro de una organización que tiene acceso autorizado a los sistemas, pero hace un uso indebido de dicho acceso. Puede tratarse de un empleado actual o antiguo, un contratista o un socio comercial.

Malicious insiders intentionally steal data, sabotage systems, or sell information to competitors or criminals. They’re particularly dangerous because they already have legitimate access and know security procedures.

Las amenazas internas involuntarias se producen cuando los empleados exponen datos accidentalmente debido a acciones descuidadas, como caer en estafas de phishing, utilizar contraseñas débiles o configurar incorrectamente los ajustes de seguridad.

Un vector de ataque es la vía o el método que utilizan los piratas informáticos para acceder a los sistemas. Piensa en ello como la ruta que siguen para colarse en tu entorno digital. Comprender estos puntos de entrada ayuda a centrar los esfuerzos de seguridad donde más importan.

• Email remains the most common attack vector because it directly reaches employees and can bypass many technical security controls. Attackers use email to deliver malicious attachments, phishing links, and social engineering messages designed to trick staff.
• Compromised credentials can give attackers a direct key to your systems. When they steal or guess usernames and passwords, they often can access the network without triggering security alerts because they appear to be legitimate users.
• Software vulnerabilities are flaws or bugs in operating systems, applications, or firmware that attackers can exploit. These weaknesses exist in almost all software, which is why regular security updates are critical for your defense.
• Third-party access creates indirect pathways into your network. Attackers may compromise a trusted vendor, supplier, or service provider to gain access to systems through established business relationships.

The sources behind these attacks vary significantly in their motivations and capabilities. Cybercriminal groups operate like businesses, focusing on profitable attacks like ransomware and data theft. They often sell their services to other criminals or offer “ransomware-as-a-service” platforms.

Los actores estatales llevan a cabo ciberespionaje y campañas de perturbación a gran escala para obtener ventajas políticas o económicas. Estos grupos, que cuentan con una sólida financiación, suelen tener como objetivo organismos gubernamentales, infraestructuras críticas y empresas de sectores estratégicos.

1. Test email defenses: Run regular phishing simulations to see how many employees click on suspicious links or download malicious attachments.
2. Strengthen access controls: Require multi-factor authentication for all critical systems and regularly review who has access to what data.
3. Maintain current software: Create a formal process to identify, test, and install security patches within 30 days of release.
4. Assess vendor security: Require all third-party partners to meet security standards and regularly audit their practices.
5. Control physical access: Disable USB ports where possible and implement strict policies about bringing personal devices into secure areas.

Trueuna ciberresiliencia goes beyond traditional backup and recovery – it’s about enabling continuous business operations even when attacks succeed. This means having the tools and processes to detect threats early, contain damage quickly, and restore operations with minimal downtime.

Commvault Cloud’s unified approachreduces the complexity of managing multiple point solutions. Instead of juggling separate tools for backup, monitoring, and recovery, you get integrated and unified capabilities that work together across your hybrid and multi-cloud environment.

Strengthening Cybersecurity Posture: Proactive Steps for IT Leaders

Building strong defenses against cyberattacks requires more than just buying security tools – it demands a strategic approach that combines technology, processes, and people. Your goal should be to create multiple layers of protection that make it extremely difficult for attackers to succeed.

Start by developing a comprehensiveplan de respuesta ante incidentesthat clearly defines what everyone should do when an attack occurs. This plan removes confusion during a crisis and enables your team to respond quickly and effectively. Without a plan, valuable time is wasted on deciding who should do what while the attack continues to spread.

Your employees are often your first line of defense, so invest in regular security awareness training. Teach them to recognize phishing emails, use strong passwords, and report suspicious activity immediately. Well-trained staff can stop many attacks before they gain a foothold in your systems.

Implement a multi-layered security approach that creates overlapping fields of protection. If one control fails, others should still block or slow the attack. This strategy acknowledges that no single security tool is perfect and that determined attackers will eventually find ways around individual defenses.

Regular testing through tabletop exercises and simulated attacks can help identify gaps in your plan and let your team practice their roles. These exercises also help build confidence and reduce stress when real incidents occur.