Yeah, TCP&#x27;s checksum is indeed weak and TLS is indeed a good answer.<p>However, I think delusional is a bit of a strong word to use here. &quot;Performance of Checksums and CRCs over Real Data&quot; has a bunch of interesting data about the number oand types of common errors detected by simple checkums and CRC: <a href="http:&#x2F;&#x2F;ccr.sigcomm.org&#x2F;archive&#x2F;1995&#x2F;conf&#x2F;partridge.pdf" rel="nofollow">http:&#x2F;&#x2F;ccr.sigcomm.org&#x2F;archive&#x2F;1995&#x2F;conf&#x2F;partridge.pdf</a>