I forgot to mention, the video linked is pretty old and some of the advice for good password complexity is outdated, but it gives a decent idea of what a mildly sophisticated password attack would look like.
A passphrase would probably need to be 5 words or above (~50 000 common words ^ 5 = actual entropy, not as explained in the meme) to be more secure than a 12 character password (~71 character choices ^ 12 = entropy).
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I forgot to mention, the video linked is pretty old and some of the advice for good password complexity is outdated, but it gives a decent idea of what a mildly sophisticated password attack would look like.
A passphrase would probably need to be 5 words or above (~50 000 common words ^ 5 = actual entropy, not as explained in the meme) to be more secure than a 12 character password (~71 character choices ^ 12 = entropy).