[Company Name] Cybersecurity Playbook: Protecting Our Digital Assets Together

Table of Contents

  1. Introduction

    • Purpose of the Playbook
    • Scope and Applicability

  2. Laptop Security

    • Password Requirements
    • Data Encryption
    • Software Updates

  3. Mobile Device Security

    • Device Management
    • App Security
    • Network Security

  4. Data Sharing and Protection

    • Secure Data Transmission
    • Access Controls
    • External Data Sharing

  5. General Security Practices

    • Phishing Awareness
    • Physical Security
    • Reporting Security Incidents

  6. Appendices

    • A. Glossary of Terms
    • B. Incident Response Procedure
    • C. Resources for Further Training

Note: Replace `[Company Name]` with your actual company name. This playbook is designed to serve as a comprehensive guide for all employees to follow, ensuring the security of our company’s digital assets and maintaining compliance with relevant regulations.

Cybersecurity Playbook for a 100-Employee Company in Tokyo

Laptop Security

 Password Requirements:

    • Use passwords that are at least 12 characters long, including a mix of upper and lowercase letters, numbers, and special characters.
    • Enable multi-factor authentication (MFA) for all company accounts.
    • Change passwords every 90 days or upon any suspicion of compromise.

  • Data Encryption:

    • Ensure all company laptops have full-disk encryption enabled to protect data in case of loss or theft.
    • Use encrypted file transfers (e.g., SFTP, SCP) when sending sensitive data.

  • Software Updates:

    • Keep all operating systems, applications, and antivirus software up to date with the latest security patches.
  •  

Mobile Device Security

  • Device Management:

    • Enroll all company-issued mobile devices in a Mobile Device Management (MDM) solution.
    • Implement remote wipe capabilities for lost or stolen devices.

  • App Security:

    • Download apps only from official app stores (e.g., Google Play Store, Apple App Store).
    • Avoid installing apps from unknown sources or third-party marketplaces.

  • Network Security:

    • Do not connect to public Wi-Fi networks without using a company-approved VPN.
    • Use cellular data or secure, company-provided Wi-Fi networks whenever possible.
  •  

Data Sharing and Protection

  • Secure Data Transmission:

    • Always use secure methods to share sensitive data, such as encrypted email attachments or secure file-sharing services (e.g., Dropbox Business, Google Drive with sharing restrictions).
    • Do not share company passwords, access keys, or other sensitive information via email or instant messaging.

  • Access Controls:

    • Follow the principle of least privilege; employees should only have access to the data and systems necessary for their job functions.
    • Regularly review and update access controls to reflect changes in employee roles or responsibilities.

  • External Data Sharing:

    • Before sharing company data with external parties, obtain approval from the IT department and ensure that the recipient agrees to appropriate data protection measures.
    • Do not share company data with personal email accounts or unverified external services.
  •  

General Security Practices

  • Phishing Awareness:

    • Train employees to recognize and report phishing attempts, including suspicious emails, links, and attachments.
    • Regularly conduct phishing simulation exercises to test employee awareness and improve response.

  • Physical Security:

    • Lock laptops and mobile devices when unattended, especially in public areas.
    • Securely store physical documents containing sensitive information and limit access to authorized personnel only.

  • Reporting Security Incidents:

    • Establish a clear procedure for reporting security incidents or suspected breaches.
    • Encourage employees to report any security concerns without fear of retaliation.

Example of a cybersecurity playbook for your Tokyo-based company with 100 employees.

Laptop and Mobile Device Security:

• DO:
– Use company-provided devices for work purposes only
– Keep your devices with you or securely stored at all times
– Use a strong password or biometric lock on all devices
– Enable full-disk encryption on laptops
– Install and regularly update antivirus software
– Keep your operating system and all software up-to-date

• DON’T:
– Leave devices unattended in public places
– Install unauthorized software or apps
– Disable security features like firewalls or antivirus
– Use personal devices for work without IT approval

Password Security:

• DO:
– Use unique passwords for each account
– Create passwords with at least 12 characters
– Include a mix of uppercase, lowercase, numbers, and symbols
– Use a password manager to generate and store complex passwords
– Change passwords immediately if a breach is suspected

• DON’T:
– Use easily guessable information (birthdays, names, etc.)
– Share passwords with anyone, including colleagues
– Write down passwords or store them in unsecured locations
– Use the same password for personal and work accounts

Data Protection and Sharing:

• DO:
– Use company-approved cloud storage and file-sharing solutions
– Encrypt sensitive files before sharing
– Verify the recipient’s identity before sending sensitive information
– Use secure file transfer protocols when sharing large files

• DON’T:
– Share company data on personal email or messaging apps
– Use public file-sharing services without IT approval
– Send sensitive information over unsecured networks

Network Security:

• DO:
– Use the company VPN when working remotely
– Connect only to known, secure Wi-Fi networks
– Use mobile data when secure Wi-Fi is unavailable

• DON’T:
– Connect to public or unsecured Wi-Fi networks without VPN
– Use public computers for accessing company resources
– Allow others to use your work devices

Email and Communication Security:

• DO:
– Verify sender identity before opening attachments or clicking links
– Report suspicious emails to IT immediately
– Use company-approved communication tools for work discussions

• DON’T:
– Open attachments or click links from unknown sources
– Send sensitive information via unencrypted email
– Discuss confidential matters on public forums or social media

 

Physical Security:

• DO:
– Lock your computer screen when leaving your desk
– Secure physical documents containing sensitive information
– Properly dispose of sensitive documents using a shredder

• DON’T:
– Leave sensitive documents visible on your desk
– Allow unauthorized individuals into secure areas

Incident Reporting:

. DO:
– Report any suspected security incidents to IT immediately
– Be aware of common phishing and social engineering tactics
– Participate in regular security awareness training

• DON’T:
– Attempt to resolve security issues on your own
– Ignore or delay reporting potential security threats