A cybersecurity expert is a key component of ensuring the safety of an organization's data, systems, and networks from cyber threats. Here are the core duties of a cybersecurity expert:
1. Risk Assessment and Management
- Assess and determine vulnerabilities in the infrastructure of an organization.
- Risk assessment must be conducted to determine future cyber threats.
- Formulate and implement ways to address identified risks.
2. Network Security
- Check for any suspicious network traffic.
- Implement firewalls, intrusion detection systems (IDS), and intrusion prevention systems.
- Ensure secure access control and manage permissions for users and systems.
3. Security Policy Development
- Develop, update, and enforce security policies and procedures.
- Incident response and disaster recovery plans.
- Ensure compliance with industry regulations and standards like GDPR, HIPAA, and PCI-DSS.
4. Incident Response and Recovery
- Detect, analyze, and respond to cybersecurity incidents in real time.
- Examine security breaches to determine the root cause and the level of damage.
- Coordinate the process of recovery, which can include data restoration and systems repair.
5. Threat Detection and Prevention
- Scan vulnerability regularly and conduct penetration testing.
- Follow the latest threats and vulnerabilities.
- Use proactive measures against cyberattacks, such as patch management and endpoint protection.
6. Security Awareness Training
- Train employees on how to recognize phishing scams, social engineering, and other cyber threats.
- Train employees regularly so they remain updated on the best practices.
7. System and Application Security
- Review and secure software applications and systems in development and deployment
- Ensure use of encryption and application hardening with secure coding
- Inspect third-party applications for their compliance with security
8. Cloud Security
- Ensure proper cloud-based services and infrastructures are secure
- Develop, implement, and control access and encryption for clouds
- Monitor and mitigate all particular cloud risks (data leaks, misconfigurations etc)
9. Forensics and Investigation
- Perform the process of digital forensics to analyze breaches with collection of evidence.
- Collaborate with legal teams and law enforcement if needed.
- Document findings for audits and compliance purposes.
10. Collaboration and Communication
- Collaborate with IT teams, developers, and executives to ensure that security efforts are in line with business objectives.
- Report on security metrics and incidents to management.
- Serve as a contact point for external security auditors and consultants.
11. Continuous Monitoring and Updating
- Implement and manage security monitoring tools (e.g., SIEM systems).
- Upgrade the software, hardware, and protocols with new vulnerabilities.
- Security audit from time to time
12. Compliance and Regulatory Compliance
- Ensure that the security measures are in line with relevant laws and regulations.
- Be prepared for and pass an external audit.
- Maintain a record of up-to-date security practices.
13. Planning and Testing Contingency Plans
- Test disaster recovery and business continuity plans periodically
- Simulate attack scenarios to determine response effectiveness
- Update the plans based on test results and new threats.
Key Tools Cybersecurity Experts Use:
- SIEM Solution: Splunk, QRadar, or LogRhythm for monitoring.
- Vulnerability Scanners: Nessus, Qualys, or OpenVAS.
- Penetration Testing Tools: Metasploit, Burp Suite.
- Endpoint Security Tools: CrowdStrike, Symantec.
- Forensics Tools: EnCase, FTK, Autopsy.
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