After a great event last month in San Jose, Ars is switching coasts for October and descending in force on our nation's capital. If you're on the East Coast and want to come hang out with Ars EIC Ken Fisher and me while we talk to some neat speakers …

IBM is selling its QRadar product suite to Palo Alto Networks, for an undisclosed—but probably surprisingly small—sum. I have a personal connection to this. In 2016, IBM bought Resilient Systems, the startup I was a part of. It became part if IBM’s cybersecurity offerings, mostly and …

Researchers have calculated the quantum computer size necessary to break 256-bit elliptic curve public-key cryptography: Finally, we calculate the number of physical qubits required to break the 256-bit elliptic curve encryption of keys in the Bitcoin network within the small available time frame in which it would actually pose …