Demystifying cyber security. What is it and why is it important?
Although the term cyber security may sound very abstract, it can be understood as the practice of protecting systems, networks, and data from cyber-attacks. It encompasses a wide range of activities, including network security, application security, information security, and operational security.
Cyber security is essential because cyber attacks can have a devastating impact on individuals and organizations. They can cause financial losses, reputational damage, and even physical harm.
For example, a cyber attack on a financial institution could result in the theft of millions of dollars in customer deposits. A cyber attack on a healthcare organization could result in the theft of sensitive patient data or the disruption of essential services. A cyber attack on a government agency could result in the theft of classified information or the disruption of critical infrastructure.
Among other things, a cybersecurity breach is likely to result in a company being at risk of being fined by the regulator, as such an event may result in a breach of the regulatory requirements (e.g. GDPR).
Consequences of a cyber attack on the company
The consequences of a cyber attack on a company can be severe. Financial losses are often the most immediate and visible impact, but there can also be other significant consequences, such as:
- Reputational damage: A cyber attack can damage a company’s reputation and erode customer trust.
- Legal liability: Companies can be held legally liable for the consequences of a cyber attack, such as the theft of customer data or the disruption of essential services.
- Operational disruption: A cyber attack can disrupt a company’s operations, leading to lost productivity and revenue.
- Intellectual property theft: Cyber attackers can steal a company’s intellectual property, such as trade secrets or product designs.
Types of cyber threats
There are many different types of cyber threats, but some of the most common include:
- Malware: Malware is malicious software that can damage or disable computer systems and networks.
- Phishing: Phishing is a type of social engineering attack in which cyber attackers attempt to trick people into revealing sensitive information, such as passwords or credit card numbers.
- Ransomware: Ransomware is a type of malware that encrypts a victim’s data and demands a ransom payment in exchange for the decryption key.
- Denial-of-service attacks: Denial-of-service attacks flood a website or server with traffic in an attempt to make it unavailable to legitimate users.
- Supply chain attacks: Supply chain attacks target a company’s suppliers or partners in order to gain access to the company’s systems and data.
Main challenges in cyber security
The cyber security landscape is constantly evolving, and new challenges always emerge. Some of the main challenges facing cyber security professionals today include:
- The increasing sophistication of cyber attacks: Cyber attackers are becoming increasingly sophisticated and resourceful. They are using new technologies and techniques to develop new attacks and exploit vulnerabilities.
- The growing attack surface: The attack surface is the sum total of all the potential entry points that a cyber attacker could use to gain access to a system or network. The attack surface is growing as more and more devices and applications are connected to the internet.
- The shortage of skilled cybersecurity professionals: There is a shortage of skilled cybersecurity professionals, which makes it difficult for organizations to defend themselves against cyber attacks.
- Increasing regulatory requirements: In recent years, new information security legislation has emerged in the EU, such as the GDPR or the forthcoming NIS 2 Directive.
So how to be immune from cyber-attacks?
Cyber security is vital for protecting organizations from cyber-attacks. By understanding the importance of cyber security, the consequences of a cyber attack, the types of cyber threats, and the main challenges in cyber security, individuals and organizations can take steps to improve their cyber security posture.
Here are some additional tips for improving your cyber security:
- Educate yourself and your employees about cyber security: The more you know about cyber security, the better equipped you will be to defend yourself against cyber attacks.
- Implement strong cyber security controls: This includes things like firewalls, intrusion detection systems, and access control lists.
- Keep your software up to date: Software updates often include security patches that can help to protect you from known vulnerabilities.
- Back up your data regularly: This will help you recover it if it is lost or stolen.
- Have a cyber security incident response plan: This will help you to respond to a cyber-attack quickly and effectively.
While it is not possible to be 100% immune to a cyber-attack, by following these tips, you can help protect your organization from cyber-attacks.