Secret Key

A Secret Key is a cryptographic key that is used for both encryption and decryption, enabling the operation of a symmetric key cryptography scheme. Also, a cryptographic algorithm that uses a single key (i.e., a secret key) for both encryption of plaintext and decryption of ciphertext.

What Does This Mean For An SMB?

Your business needs to take proactive measures today to first reduce its chances of being hit by ransomware, phishing, or other cybersecurity attacks. Secondly, validate backups and disaster recovery plans are current and functioning in case you end up hit with ransomware. CyberHoot recommends the following best practices to avoid, prepare for, and prevent damage from these attacks:

• Adopt two-factor authentication on all critical Internet-accessible services
• Adopt a password manager for better personal/work password hygiene
• Require 14+ character Passwords in your Governance Policies
• Follow a 3-2-1 backup method for all critical and sensitive data
• Train employees to spot and avoid email-based phishing attacks
• Check that employees can spot and avoid phishing emails by testing them
• Document and test Business Continuity Disaster Recovery (BCDR) plans
• Perform a risk assessment every two to three years

Start building your robust, defense-in-depth cybersecurity plan at CyberHoot.

Related Term: Symmetric Key

Antonym Terms: Public Key Encryption, Public Key

Source: CNSSI 4009

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