So here we are, getting ready to break into yet another mansion in a AAA neighborhood. Of course, this mansion had extra security above and beyond the 1 minute Knight Errant response time. The team mage pulled up a big spirit and used weather control to intensify a snow storm already in progress to blizzard levels. As we approached the mansion, the technomancer threaded up his stealth and hacked the node. Once inside, he went looking for the cameras on the side of our approach, finding them easy. He then began to hack a loop of the video into each of the cameras.
Unknown to him, a black IC running stealth was monitoring the video feeds for configuration drift. It noted the each of his changes on cameras 1-3 unable to locate him (matrix perception vs target running stealth, SR4 pg 228) until he edited the 4th camera (the IC just couldn't get the hits). Then it hit the fan. Once the IC found him, it hit him locking his connection open and sent an alert to the dedicated spider monitoring the node. While he was shutting down the IC (using his admin access on the node), the spider was tagging him in the node (spoiling his stealth). He ended up jacking out (now that the IC had been dumped) feeling way too much heat.
My question to you is: What other tips & tricks have you used, or had used against you, in matrix defense?