Both DN and SvD have reported on it:

http://www.dn.se/ekonomi/sverige-uppges-ha-stoppat-spionsamt...

http://www.svd.se/nyheter/utrikes/sverige-dras-in-i-spionska...

It's not big news however.

This seems to be false and fria tider doesn't seem to be the best of sources, even if the gist of the story is true. There are articles online in at least three major newspapers (aftonbladet.se, svd.se, dn.se)