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Last updated on 2024年7月16日

You're conducting an investigation with external cybersecurity experts. How do you maintain confidentiality?

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When you're embroiled in the complexities of an information security investigation, confidentiality isn't just a preference; it's a necessity. Bringing in external cybersecurity experts can significantly bolster your efforts to identify and mitigate threats. However, this collaboration also introduces the risk of sensitive information falling into the wrong hands. You must take stringent measures to ensure that the details of your investigation remain secure while benefiting from the expertise these professionals bring to the table.

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Jose Nies, CISA, CPISI, CC

Sr. Security Risk Analyst at OpenText
Jaspreet Sidhu

Cybersecurity Professional | Scrum Master | Cloud Security | I.T. Operations & Infrastructure Security | CISSP | CISM |…

1 NDA Enforcement

Before any investigation commences, it's crucial to have all external cybersecurity experts sign a Non-Disclosure Agreement (NDA). This legal document ensures that any information they come across during the investigation cannot be disclosed to any third parties. It's a binding agreement that protects your data from being shared, and violating it can have serious legal repercussions. By setting this foundational legal boundary, you establish a clear understanding of the confidentiality requirements.

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Jose Nies, CISA, CPISI, CC

Sr. Security Risk Analyst at OpenText
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Maintaining confidentiality during an investigation with external cybersecurity experts involves these key measures: 1. Nondisclosure Agreements (NDAs): Ensure all parties sign NDAs to legally bind them to confidentiality. 2. Limited Access: Provide external experts with access only to the specific data and systems needed for the investigation. 3. Secure Communication: Use encrypted channels for all communications, such as secure emails or encrypted messaging apps. 4. Data Handling: Store and transfer data securely using encryption and secure file sharing methods. 5. Audit Trail: Enable logging for all access granted to external experts to enforce accountability and providing a clear audit history.

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Jaspreet Sidhu

Cybersecurity Professional | Scrum Master | Cloud Security | I.T. Operations & Infrastructure Security | CISSP | CISM | CCSK | CDPSE | SABSA (SCF) | TOGAF | GCIH | SSCP | AWS
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Ensure all external experts sign non-disclosure agreements (NDAs) before any sensitive information is shared. Include strict confidentiality clauses in all contracts with external experts. Implement strict access controls to ensure only authorized personnel have access to sensitive data. Use role-based permissions to limit access to specific parts of the investigation based on the role of the individual. Encrypt all sensitive data, both in transit and at rest, to prevent unauthorized access. Store all investigation-related data in secure, encrypted storage solutions. Conduct thorough background checks on external experts to ensure their reliability and trustworthiness.

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2 Access Control

Limiting access to sensitive information on a need-to-know basis is fundamental in maintaining confidentiality. You should implement strict access controls that define who can view or edit certain data. This might involve setting up special user accounts for external experts with restricted privileges or using secure platforms where documents can be shared without being downloaded. The goal is to minimize the risk of data leakage by ensuring that only authorized individuals have access to the necessary information.

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3 Secure Channels

Communicating with external experts requires secure channels to prevent interception or leaks. Opt for encrypted messaging services and emails for all correspondence related to the investigation. If you need to discuss sensitive matters, consider using voice calls over secured lines or secure video conferencing tools. The idea is to prevent eavesdropping and ensure that all communication remains confidential and protected from potential cyber threats.

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4 Data Handling

Proper data handling protocols are essential when working with external parties. Make sure that any sensitive data is anonymized or redacted where possible to minimize exposure. Additionally, establish clear guidelines on how data should be stored, transferred, and eventually disposed of after the investigation. This includes using encrypted storage devices and secure file transfer methods to prevent unauthorized access or data breaches during the investigation process.

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5 Audit Trails

Creating a detailed audit trail is an effective way to track all activities conducted by external experts during the investigation. This includes logging access to files, changes made, and communication exchanges. An audit trail not only helps in maintaining oversight but also acts as a deterrent against unauthorized actions since the experts know their activities are being monitored. Moreover, it can be invaluable evidence if there's ever a need to investigate a breach of confidentiality.

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6 Continuous Training

Finally, ensuring that everyone involved in the investigation, including external cybersecurity experts, understands the importance of confidentiality is paramount. Provide continuous training on best practices for information security and the specific protocols you've established for the investigation. This will help to maintain a high level of vigilance and reinforce the significance of protecting sensitive information throughout the investigative process.

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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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Aravind S

CTF Player & Security Researcher | Web app Penetration Tester | YouTuber |Globally Ranked Top 10% on TryHackMe | Cybersecurity Enthusiast
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To maintain confidentiality during an investigation with external cybersecurity experts, have all parties sign non-disclosure agreements (NDAs). Limit the information shared to only what is necessary for the investigation. Use secure communication channels for all discussions and data exchanges. Ensure that all sensitive data is encrypted and stored securely. Clearly define and enforce access controls to restrict who can view or handle confidential information. Regularly remind everyone involved about the importance of maintaining confidentiality throughout the investigation.

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You're conducting an investigation with external cybersecurity experts. How do you maintain confidentiality?

1

2

3

4

5

6

7

1 NDA Enforcement

2 Access Control

3 Secure Channels

4 Data Handling

5 Audit Trails

6 Continuous Training

7 Here’s what else to consider

Information Security

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You're conducting an investigation with external cybersecurity experts. How do you maintain confidentiality?

1

2

3

4

5

6

7

1 NDA Enforcement

2 Access Control

3 Secure Channels

4 Data Handling

5 Audit Trails

6 Continuous Training

7 Here’s what else to consider

Information Security

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