A day of civil disobedience erupted into clashes with police officers that led to the arrest of more than 900 protesters Tuesday. MIT warns users of its Kerberos 5 security sytem that vulnerabilities have been discovered and it is recommended that users apply patches immediately. A woman exploded a bomb outside a Moscow subway station, killing at least 9 others and wounded more than 50, in an attack that came one week after bombs destroyed two commercial airplanes over Russia. IRS system designed to detect hacks of the modernized networks is not working sufficiently, according to an audit report.”]

