It's a shame that Google keeps randomly interfering with their most avid users like this. They have a truly massive network, they certainly should be able to tone down the sensitivity of this bloody thing for individuals' advanced querying that obviously isn't part of any attack/threat.
I mean, think about it, your little query (or my little query which I don't even blog/webcast about), among millions of other queries, and the mighty Google gets antsy because you click faster than average and know how to use its advanced features? (I don't even use wildcards, just things like intitle:/site: …)