Among the following encryption methods, which is the safest one?

Question

Options

• APlaintext encryption
• BWEP encryption
• CTKIP encryption
• DCCMP encryption

• A
  15% (4)
• B
  4% (1)
• C
  7% (2)
• D
  74% (20)

Explanation

CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol) is the safest choice because it is built on AES (Advanced Encryption Standard), a robust modern cipher that provides both data confidentiality and integrity, and is the security foundation of WPA2 and WPA3 wireless standards. Plaintext encryption is essentially no encryption at all - data is sent in readable form, offering zero protection against interception. WEP (Wired Equivalent Privacy) is a legacy protocol from 1997 with critical flaws in its key management that allow it to be cracked in minutes using freely available tools. TKIP (Temporal Key Integrity Protocol) was designed as a short-term patch to address WEP's weaknesses and is better than WEP, but it retains some structural vulnerabilities and has been deprecated by the IEEE.

Memory tip: Rank the options by age and strength - Plaintext offers nothing, WEP is broken, TKIP is a band-aid, and CCMP is the current standard. Think of the acronym progression as "getting safer" from left to right, with CCMP standing alone as the only one backed by AES.

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