In the latest development since the targeted attack on a southern California Pacific Gas & Electric Co. substation last April, PG&E is offering a $250,000 reward for information leading to an arrest and conviction in the attack.

“Cybersecurity is a matter of homeland security,” said new Department of Homeland Security Secretary Jeh Johnson, adding “one of the key goals of advancing this nation’s cybersecurity is building trust and relationships between the government and the private sector.”

In early January, residents of Charleston, W. Va., found that their tap water had a licorice smell and a strong aftertaste, and it resulted in a number of people reporting a variety of ailments.

Sen. Charles Schumer (D-NY) warns that the April 16, 2014, attack on a California power plant proves that terrorists could take down whole stretches of the U.S. power grid. Schumer said Sunday that power companies currently have the right to veto proposed security requirements, but he is calling for the federal energy regulator and the Department of Homeland Security to draft tougher security standards overseen by Congress that would end the industry’s veto rights.