Police departments everywhere are reviewing security measures for large public events in light of the deadly Boston Marathon bombings. A large outdoor event that typically draws more than 10,000 people is taking place on Saturday in Springfield Massachusetts.
America's "War on Terror" goes beyond the streets. Battles are being fought on a regular basis over the internet, from Chinese or Korean cyber attacks to hacks from groups and individuals within the United States.
As technology evolves and we become more reliant on the internet, the web presents a frontier of opportunity for mischief-makers, criminals and terrorists.
At least one county executive in New York’s Hudson Valley says security was stepped up Monday as a result of the bombings at the Boston Marathon. And security will remain heightened through at least today.