You can analyze and filter script that extracts information from PNG, and such unusual script would draw attention.
Cookie stored as a simple variable in a cached JS file is IMHO better solution if you're trying to be sneaky — there's nothing unusual in variable assignment or cacheable JS file.
Comments
You can analyze and filter script that extracts information from PNG, and such unusual script would draw attention.
Cookie stored as a simple variable in a cached JS file is IMHO better solution if you're trying to be sneaky — there's nothing unusual in variable assignment or cacheable JS file.