Abstract: A test kit is provided. The test kit includes a case including a plurality of reagent containers storing reagents, each reagent indicating the presence of a substance when the reagent comes into contact with that substance. The test kit further includes a collector including a collector body, and a plurality of swabs coupled to the collector body and configured to collect substances. The test kit is configured to test for a plurality of collected substances by causing the reagents stored in the plurality of reagent containers to contact at least one of the plurality of swabs, and the test kit is further configured to display results of the test.

Abstract: According to one embodiment of the invention, a system for preventing a network attack is provided. The system includes a computer having a processor and a computer-readable medium. The system also includes a shield program stored in the computer-readable medium. The shield program is operable, when executed by the processor, to transmit an agent to each of one or more nodes in a network in response to an attack directed to the network. The agent is operable to initiate a reduction of the effect of the attack on the node.