2024. May 10.
A few decades ago, cybersecurity was an unknown concept to most organisations and individuals, but it is now part of our everyday lives. According to recent global research, there are more than 2,200 cyber-attacks every day, with cyber criminals launching an attack almost every 39 seconds. Cybersecurity is an area that involves preventing, countering, and minimising damage in the event of an attack. Find out what you need to know about cybersecurity and the role of cybersecurity professionals in your organisation.
What is cyber security?
Cyber security is a complex concept that involves protecting digital systems, networks, and devices from various threats and attacks. It includes, among other things, the protection of sensitive data and the digital security of organisations and individuals. The aim is to prevent unauthorised access, use, extraction, or modification of data.
In our modern world, we are always online, and digital tools have become an integral part of our lives. The online space is extremely rich with valuable data that we need to protect from malicious attacks. Cyber security is particularly vital for businesses, as a data breach can cause serious financial and reputational damage.
We also need to pay more attention to our digital security in our everyday lives. Just think how much data we store on our computers and smartphones! Protecting sensitive information - such as bank details, personal photos, or work-related documents - is a priority at both a personal and professional level.
The challenges and threats to cyber security are growing in scale and complexity, so it is essential to stay informed and implement the right protection measures to keep our digital world safe.
Basic concepts of cyber security
Network security
Network security is one of the pillars of cybersecurity and includes the use of firewalls and filtering. Firewalls act as digital gates that block dangerous data packets, while the process of filtering ensures that only trusted sources have access to the network. This increases data integrity and confidentiality and prevents unauthorised access.
VPNs also play a significant role in network security. Virtual Private Network (VPN) technology encrypts data transmissions, enabling secure browsing on public networks.
Data protection
Data protection is at the heart of cyber security. Encryption methods ensure that sensitive information remains secure. Encryption is a process whereby all data is transformed into a form that can only be decrypted using special keys.
Access control is also an important element. It controls who can access data, when, and how. By applying effective access control practices, unauthorised access to backups or other critical information can be avoided.
Endpoint security
Endpoint security is of paramount importance as these devices are directly connected to the network. Regular use and updating of anti-virus software is critical to protect against malware. Updates keep the protection mechanisms up to date and effectively guard against the latest threats.
In addition, security updates to devices are also key. Continuous updates to operating systems and applications ensure that all known vulnerabilities are addressed.
Tasks of cyber security professionals
The work of cybersecurity experts is divided into many branches, all of which are key to the digital protection of organisations. One of the most exciting and critical areas is threat analysis. These professionals constantly monitor networks, looking for potential vulnerabilities and identifying threats that could pose a risk. As soon as suspicious activity is detected, they take immediate action to minimise damage and prevent further attacks.
Preparing security audits and ensuring compliance are also essential tasks. These audits not only help identify vulnerabilities but also validate the security posture of the organisation, which builds trust with customers and partners.
Incident management and recovery is a true test of cybersecurity professionals' expertise. When a security incident occurs, they need to respond with lightning speed. Their priority is to immediately isolate the problem, minimise the damage and start the recovery process. This phase of work can include restoring the system, recovering data, and putting measures in place to prevent similar incidents in the future.
The tasks of cybersecurity professionals are therefore wide-ranging, and each of these areas is critical. Whether they are involved in threat analysis, audits, compliance, or incident management, their work has a significant impact on the security of organisations every day.
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