The most common cyber attacks in business

Phishing, ransomware, DDoS... Cyberattacks continue to multiply. But in concrete terms, what are the most frequent computer attacks, and how can you effectively protect yourself from them? We explain everything to you in this clear and jargon-free article, with concrete examples.

Why are businesses targeted by cyberattacks?

Whether you are a startup, an SME or a large organization, you are a target. Why? Because businesses, regardless of their sector, manipulate sensitive data, use numerous computer systems and collaborate with varied users (employees, partners, service providers).

Even more, digital transformation accelerates exposure to risks: remote work, web applications, SaaS tools... This multiplies the entry doors for cybercriminals.

The most frequent corporate cyberattacks

There are several types of cyberattacks. Here are the most common ones and how they work.

Phishing and its variants

It is The preferred front door hackers. An email that seems to come from a colleague or customer service, a tricked attachment, a link to a fake login page... and the user is tricked.

👉 Situation: An employee receives an “urgent” email to reset their Microsoft 365 password. He clicks, enters his identifiers... and gives the company keys to the hacker.

Ransomwares (ransomware)

This software blocks your data and requires a ransom to unblock it. They are often spread via a malicious attachment or an unpatched flaw.

In 2023, more than 70% of ransomware attacks targeted French businesses. The most dangerous? Once touched, it is often Too late.

Malwares (malicious software) and viruses

This software can spy on, steal, or destroy information. Some stay invisible for months, collecting confidential data without anyone noticing.

Distributed Denial of Service (DDoS) attacks

The idea here: Saturate your servers with millions of requests to block your site or services. This is common against e-commerce sites, SaaS platforms or public services.

Social engineering attacks

No need for technology: here, the human is the fault. Fraudulent calls, identity theft, psychological manipulation... The attacker Exploits trust or panic.

👉 Situation: An “IT technician” calls to ask an employee for a password. The latter, believing he was doing well, transmits it.

Internal threats

Sometimes the danger comes from within: a disgruntled employee, a misinformed intern, or simply human error.

How to protect your business against cyberattacks?

Faced with these threats, the good news is that it exists simple and accessible solutions to protect themselves.

Sensibilización y formación de los empleados

It's the first line of defense. Your employees need to know recognize an attempt to phishing, avoid weak passwords, and report suspicious behavior.

💡 A short course of training or regular reminders can reduce risks by over 70%.

Implementation of computer security policies

Define clear rules : access management, use of personal devices, strong authentication, etc.

Use of security software and firewalls

Antivirus, firewalls, surveillance tools, intrusion detection systems... So manyindispensable tools to protect your systems and data.

Regular system and software updates

Security breaches are often fixed through updates... provided they are applied. Don't push them away!

Data backup and recovery

Even with all the precautions in the world, zero risk does not exist. One regular backup of your data will allow you to resume your activity quickly in the event of an attack.

Do you need expert support? Discover cybersecurity managed by _rzilient

For companies that want to go further without mobilizing an internal IT team, _rzilient offers a managed cybersecurity offer.

In concrete terms, this means that we supervise, secure and update your computer system on a daily basis, with solutions adapted to your structure. From monitoring to incident management, including security audits, you are protected continuously.

A turnkey solution, designed for SMEs, that saves you time... and peace of mind.

En resumen

Cyber attacks are numerous, but they should not paralyze your business. With the right reflexes, the right tools and a bit of vigilance, you can greatly limit the risks.

What if you don't know where to start? At _Rzilient, we support you with tailor-made solutions to protect your computer system, your data and your teams.

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