Learn how to prevent, detect, and recover from cyber attacks as a system administrator. Follow these six steps to improve your security posture and skills.

Ein möglichst vollständiges Asset-Management ist notwendig, um keine Lücken zu übersehen. Hierzu kommen verschiedene Tools zum Einsatz, welche nicht nur für Visibilität sorgen, sondern auch mögliche Schwachstellen und Risiken aufzeigen können. Sowohl im Bereich Open Source als auch Closed Source existieren zu diesem Zweck sehr gute Lösungen.

Als IT-Professional setze ich das Prinzip der geringsten Rechte in meiner täglichen Arbeit um. Dies bedeutet, dass jedem Benutzer oder System nur die minimal notwendigen Zugriffsrechte gewährt werden, die für die Erfüllung ihrer Aufgaben erforderlich sind. So verhindere ich, dass Mitarbeiter oder Systeme auf sensible Daten oder Funktionen zugreifen können, die für ihre Arbeit nicht relevant sind. Dies reduziert das Risiko von Datenlecks und Sicherheitsverletzungen. Bei der Anwendung dieses Prinzips achte ich darauf, die Benutzerfreundlichkeit nicht zu beeinträchtigen und stelle sicher, dass alle notwendigen Zugriffsrechte effizient verwaltet werden.

How can you develop your resilience to cyber attacks?

Cyber attacks are a constant threat to any system administrator, and they can have devastating consequences for your organization, your reputation, and your career. However, you can develop your resilience to cyber attacks by adopting some strategies and best practices that will help you prevent, detect, and recover from them. In this article, you will learn how to:

1 Assess your risks

The first step to developing your resilience to cyber attacks is to identify and evaluate your vulnerabilities and exposures. You need to know what assets you have, where they are, who has access to them, and how they are protected. You also need to understand the potential impact of different types of cyber attacks on your systems, such as ransomware, denial-of-service, phishing, or malware. You can use tools such as risk assessment frameworks, vulnerability scanners, and penetration tests to help you assess your risks and prioritize your actions.

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Alexander Karls

Senior IT Security Consultant & agiler Team-Manager bei pegasus GmbH (#gerneperdu) | Vorfall-Experte im CSN des BSI | Host von "BlueScreen - Der Tech-Podcast!" und "Bildschirm Buddies" | Event Speaker | Tech-YouTuber
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Ein möglichst vollständiges Asset-Management ist notwendig, um keine Lücken zu übersehen. Hierzu kommen verschiedene Tools zum Einsatz, welche nicht nur für Visibilität sorgen, sondern auch mögliche Schwachstellen und Risiken aufzeigen können. Sowohl im Bereich Open Source als auch Closed Source existieren zu diesem Zweck sehr gute Lösungen.

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Andrey C.

Business executive Looking for a new challenge Kyiv
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- Perform a thorough risk assessment to identify and evaluate potential vulnerabilities in your systems, networks, and applications. This involves assessing the likelihood and potential impact of various cyber threats. Identify assets, data, and critical processes that could be targeted, and prioritize them based on their importance to your organization. - Deploy security monitoring tools to detect anomalous activities or patterns indicative of a cyber attack. Establish a continuous monitoring system that provides real-time alerts for potential security incidents.

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2 Implement security controls

The second step to developing your resilience to cyber attacks is to implement security controls that will reduce your attack surface and protect your systems from unauthorized access, modification, or destruction. You need to follow the principles of least privilege, defense in depth, and encryption. You also need to apply security patches, configure firewalls, enable antivirus software, and use strong passwords and multi-factor authentication. You can use tools such as configuration management, security policies, and audit logs to help you implement security controls and monitor their effectiveness.

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Alexander Karls

Senior IT Security Consultant & agiler Team-Manager bei pegasus GmbH (#gerneperdu) | Vorfall-Experte im CSN des BSI | Host von "BlueScreen - Der Tech-Podcast!" und "Bildschirm Buddies" | Event Speaker | Tech-YouTuber
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Als IT-Professional setze ich das Prinzip der geringsten Rechte in meiner täglichen Arbeit um. Dies bedeutet, dass jedem Benutzer oder System nur die minimal notwendigen Zugriffsrechte gewährt werden, die für die Erfüllung ihrer Aufgaben erforderlich sind. So verhindere ich, dass Mitarbeiter oder Systeme auf sensible Daten oder Funktionen zugreifen können, die für ihre Arbeit nicht relevant sind. Dies reduziert das Risiko von Datenlecks und Sicherheitsverletzungen. Bei der Anwendung dieses Prinzips achte ich darauf, die Benutzerfreundlichkeit nicht zu beeinträchtigen und stelle sicher, dass alle notwendigen Zugriffsrechte effizient verwaltet werden.

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3 Educate your users

The third step to developing your resilience to cyber attacks is to educate your users about the importance of cybersecurity and their role in preventing and reporting incidents. You need to train your users on how to recognize and avoid common cyber threats, such as phishing emails, malicious attachments, or fake websites. You also need to inform your users about the security policies and procedures that they need to follow, such as locking their devices, using secure networks, and reporting suspicious activities. You can use tools such as awareness campaigns, newsletters, and simulations to help you educate your users and test their knowledge.

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Andrey C.

Business executive Looking for a new challenge Kyiv
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- Develop and implement regular cybersecurity training programs for all users within your organization. These programs should cover topics such as recognizing phishing emails, creating strong passwords, and identifying social engineering tactics. Provide practical examples and real-world scenarios to make the training more relatable. - Share real-world examples of cyber attacks and their consequences. Highlight cases where user awareness and adherence to security practices could have prevented or mitigated the impact of an attack. Concrete examples make cybersecurity concepts more tangible and relatable for users. - Offer resources, such as online courses, articles, and tutorials, that users can access for self-learning.

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Everson Holovaty

Coordenador de TI na Pormade Portas de Madeiras Decorativas Ltda
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Creio que na experiencia que temos com nossos usuários, hoje mais do que nunca precisamos investir em uma educação contínua em cibersegurança não apenas para fortalecer a proteção individual dos usuários leigos, mas também contribui para um ambiente online mais seguro e resiliente. Ao capacitar os usuários com conhecimento e habilidades para tomar decisões seguras, cria-se uma rede de defesa contra ameaças cibernéticas, reduzindo a probabilidade de ataques bem-sucedidos e protegendo a integridade e privacidade dos dados pessoais.

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4 Prepare your response

The fourth step to developing your resilience to cyber attacks is to prepare your response plan in case of an incident. You need to have a clear and documented process for how to respond to different scenarios, such as detecting, containing, analyzing, eradicating, and restoring your systems. You also need to have a team of qualified and authorized personnel who can execute the response plan and communicate with the stakeholders, such as management, customers, and regulators. You can use tools such as incident response frameworks, playbooks, and checklists to help you prepare your response and ensure its consistency and efficiency.

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Alexander Karls

Senior IT Security Consultant & agiler Team-Manager bei pegasus GmbH (#gerneperdu) | Vorfall-Experte im CSN des BSI | Host von "BlueScreen - Der Tech-Podcast!" und "Bildschirm Buddies" | Event Speaker | Tech-YouTuber
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In meiner Rolle als Sicherheitsexperte betrachte ich Notfallpläne als unverzichtbaren Teil der Incident Response. Diese Pläne ermöglichen es mir, schnell und effizient auf Sicherheitsvorfälle zu reagieren, indem sie klare Richtlinien und Verfahren vorgeben. Sie helfen dabei, die Auswirkungen von Vorfällen zu minimieren und die Wiederherstellung der normalen Betriebsabläufe zu beschleunigen. Ich stelle sicher, dass diese Pläne regelmäßig aktualisiert und getestet werden, um ihre Wirksamkeit zu gewährleisten. Die Einbeziehung aller relevanten Stakeholder in die Planung und regelmäßige Schulungen sind für mich essentiell.

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5 Learn from your experience

The fifth step to developing your resilience to cyber attacks is to learn from your experience and improve your security posture. You need to conduct a thorough and objective review of the incident and its root causes, impacts, and lessons learned. You also need to identify and implement corrective and preventive actions that will prevent the recurrence of the incident or mitigate its consequences. You can use tools such as post-mortem analysis, feedback surveys, and metrics to help you learn from your experience and measure your improvement.

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6 Update your skills

The sixth step to developing your resilience to cyber attacks is to update your skills and knowledge on the latest trends and technologies in cybersecurity. You need to stay on top of the evolving cyber threats and the best practices and standards to counter them. You also need to enhance your technical and soft skills, such as problem-solving, communication, and teamwork. You can use tools such as online courses, certifications, webinars, and podcasts to help you update your skills and keep up with the industry developments.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Andrey C.

Business executive Looking for a new challenge Kyiv
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- By systematically assessing and addressing your risks, implementing preventive measures, and fostering a culture of cybersecurity awareness, you can enhance your organization's resilience to cyber attacks. Regularly review and update your cybersecurity strategies to adapt to evolving threats and technologies. - By educating your users effectively, you empower them to be proactive in recognizing and mitigating cyber threats, thereby contributing to the overall resilience of your organization against cyber attacks. Ongoing education ensures that users remain informed about evolving threats and maintain a security-conscious mindset.

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How can you develop your resilience to cyber attacks?

1

2

3

4

5

6

7

1 Assess your risks

2 Implement security controls

3 Educate your users

4 Prepare your response

5 Learn from your experience

6 Update your skills

7 Here’s what else to consider

System Administration

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How can you develop your resilience to cyber attacks?

1

2

3

4

5

6

7

1 Assess your risks

2 Implement security controls

3 Educate your users

4 Prepare your response

5 Learn from your experience

6 Update your skills

7 Here’s what else to consider

System Administration

Rate this article

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