topic Custom Signature- Stop Credit Card Information in Network Security

Custom Signature- Stop Credit Card Information

dadaramola — Sun, 10 Mar 2019 13:09:05 GMT

Hi folks,

Great to be here!

Just installed IPS version 7.1; the environment is a financial institution servicing connection from third party and in-house user. I need to implement several custom signatures; prominent among these include sig to stop cardholder information (MasterCard, VISA etc string of card number) traversing the network.

Any ideas folks?

Thanks in advance

Daniel.

Custom Signature- Stop Credit Card Information

Saurav Lodh — Tue, 04 Mar 2014 09:57:00 GMT

You cannot implement such signature which can crack down into secure tunnel, decrypt it and sense it as credit card info traffic.

You can generate custom

game123 — Wed, 19 Nov 2014 12:10:04 GMT

You can generate custom signature with text .

MASTER CARD

VISA

and all such cards have some defined text which identifies them being mastercard or visa, then only you can filter them as you like .

This could be a hit and trial case but seems possible !

PS : Normally DLP solution is implemented or SIEM solution is implemented to watch out for such things.