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What is cyber risk?
Cyber risk refers to the potential threat posed by cyber attacks or vulnerabilities in IT systems. It concerns all risks associated with the use of information technology, particularly in relation to the protection of data, systems and networks. Companies are vulnerable to data loss, operational disruptions or reputational damage caused by malicious actors or faulty systems due to vulnerabilities in their IT systems. The risk extends not only to technical problems, but also to human error, e.g. through lack of training or negligence.
What types of cyber risks are there?
Cyber risks can be divided into several categories:
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- Phishing: attempts at deception in which attackers use fake emails or websites to steal sensitive information such as passwords.
- Malware: Malicious software such as viruses, Trojans or ransomware that penetrates systems and damages or encrypts data.
- Ransomware: A special form of malware in which files are encrypted and the attacker demands a ransom to restore access.
- Data leaks: Unauthorized access to sensitive information, often caused by inadequately secured databases or leaked passwords.
- Denial of service (DoS) attacks: Attacks that aim to paralyze networks or websites by overloading them.
- Insider threats: Risks from employees or individuals with legitimate access who either intentionally or unintentionally cause harm.
How can cyber risks be minimized?
Minimizing cyber risks requires a holistic security strategy:
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- Protective measures on several levels: These include firewalls, intrusion detection and prevention systems (IDPS) as well as regular patches and updates for all systems.
- Strong authentication methods: The use of multi-factor authentication (MFA) makes it more difficult for attackers to gain access to systems, even if passwords have been compromised.
- Encryption: Sensitive data should be encrypted both in transit and at rest to minimize the impact of potential theft.
- Training for employees: Raising employee awareness of cyber threats such as phishing can reduce human error, which is often a gateway for attacks.
- Backup strategies: Regular and secure backups prevent data loss and enable rapid recovery after ransomware attacks.
What are the most common cyberattacks?
The most widespread attacks include:
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- Phishing: Deceptive attempts aimed at stealing access data or spreading malware.
- Ransomware: Attackers encrypt data and demand a ransom to restore access. Ransomware attacks are on the rise and affect companies of all sizes.
- DDoS (Distributed Denial of Service): Overloading of services or websites due to a flood of requests, which leads to outages.
- SQL injection: Attacks on web applications in which malicious SQL queries are injected into database operations.
- Brute force attacks: Automated attempts to guess passwords and thus gain access to systems.
What impact can cyber risks have on a company?
The consequences of cyber attacks or IT security incidents are far-reaching:
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- Financial losses: Companies can suffer immense financial losses due to ransom payments, legal disputes or the loss of customers due to stolen data.
- Reputational damage: The loss of trust from customers or business partners can be more serious than the immediate financial damage. A tarnished reputation is often difficult to restore.
- Business interruptions: A successful attack can paralyze business operations, for example through IT system failures, resulting in productivity losses.
- Legal consequences: Depending on the industry and region, data leaks can lead to severe penalties, especially if companies do not comply with legal requirements such as the GDPR.
- Loss of sensitive information: This affects both customer and company data and can have serious consequences for competitiveness.
How do you recognize a cyberattack?
A cyberattack can be recognized by various signs:
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- Slow network connections: Sudden, unexplained slowdowns may indicate a DDoS attack or increased malicious activity.
- Unexpected system crashes: Repeated system crashes can be a sign of malware working in the background.
- Unusual login attempts: Frequent or repeated failed login attempts indicate a brute force attack.
- Loss of access to files: Encrypted or locked files are a clear indication of a ransomware attack.
- Unusual activities in logs: Monitored system and security logs can show conspicuous activity such as unauthorized changes to files or access attempts.
What role does cyber insurance play?
Cyber insurance offers protection against the financial consequences of cyber attacks and security incidents. As a rule, they cover:
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- Reimbursement of costs: For measures to restore IT systems, damage limitation and any ransom payments in the event of ransomware attacks.
- Legal costs: In the event of legal disputes arising from data breaches or data protection violations.
- Reputation management: Support with communication and damage limitation after an attack to minimize reputational loss. However, companies should ensure that their security measures are up to date, as in some cases insurers will refuse cover if gross negligence is involved.
What to do in the event of a cyberattack?
A structured emergency plan is crucial:
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- Isolate systems: Immediate measures such as disconnecting infected systems from the network prevent the spread of an attack.
- Forensic analysis: Experts should be called in to determine the cause of the attack and identify further vulnerabilities.
- Inform affected parties: In the event of a data leak, customers and possibly supervisory authorities must be informed in good time in order to comply with legal obligations.
- Recovery and prevention: Ensure that backups are intact and up to date to quickly become operational again. After an attack, additional security measures should be implemented to prevent future incidents.
What are the legal requirements for cyber risks?
Companies are obliged to comply with certain legal requirements for the protection of data:
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- General Data Protection Regulation (GDPR): In the EU, the GDPR regulates how personal data must be processed and protected. Violations of the GDPR can lead to considerable penalties.
- Industry requirements: Depending on the industry, there are specific regulations, such as PCI-DSS for companies processing credit card payments or HIPAA for the healthcare sector. Companies should ensure that they comply with all relevant regulations in order to minimize legal risks and avoid sanctions.
What does an effective emergency plan for cyber risks look like?
An effective Incident Response Plan includes:
- Incident response team: A dedicated team consisting of IT experts, lawyers and PR specialists that can react quickly and in a coordinated manner in an emergency.
- Communication strategy: A clear plan on how to communicate internally and externally to avoid misunderstandings or panic.
- Regular backups: Frequent and secure data backups make it possible to restore operations quickly without having to respond to ransom demands.
- Simulations and tests: Regular safety drills and tests of the emergency plan ensure that the company is prepared in the event of an emergency and that processes run smoothly.
- Employee training: All employees must be informed about the plan and be able to react quickly if necessary.
This comprehensive approach to cyber defense helps to reduce the risk of attacks and to respond quickly and effectively in the event of an emergency.
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