The Internet Corporation for Assigned Names and Numbers says its first upgrade to the cryptographic key helping to protect the internet Domain Name System went off without a hitch. The majority of internet users didn't realize the upgrade had occurred, and only a handful of connectivity problems were reported.

In Connecticut alone, as many as a million cyberthreats are detected on some busy days, making cybersecurity a priority for national security. But experts say the nation is largely unprepared for widespread attacks, and "foreign nations and sophisticated nonstate actors could devastate -- some even say prevail over -- the United States by hitting us where we are weakest," writes Arthur House, Connecticut's chief cybersecurity risk officer.

Facebook has lowered from 50 million to fewer than 30 million its estimate of users whose information was breached recently, but it has not talked about who might be behind the attack, citing FBI protocol. Company apps such as Instagram and WhatsApp were not targeted in the breach, the company said.

West Virginia will be the first state to deploy an app allowing ballots to be cast from remote locations, but experts say the blockchain-based app could open the door to more Election Day tampering. "This is a crazy time to be pulling a stunt like this," said David Jefferson, a computer scientist at Lawrence Livermore National Laboratories, adding that "all internet voting systems, including this one, have a host of cybervulnerabilities which make it extremely dangerous."

Trend Micro's Zero-Day Initiative uncovered a vulnerability in the Microsoft JET database, which it claims is still vulnerable to attacks after a recent update. The vulnerability could give hackers full remote access to users' systems.

Commvault revealed its Complete Backup & Recovery-as-a-Service at its annual Commvault Go conference. The offering is available through Amazon Web Services and Microsoft Azure, and provides backup and recovery for virtual machines and cloud-native application data.

As devices like autonomous cars, digital assistants and smart speakers become more prevalent, companies are struggling to find qualified employees with experience in artificial intelligence. The demand for AI experts has driven up wages by nearly 11% since last year, and students studying AI often receive job offers before graduation, experts say.

Two US senators are urging India to rethink its stringent policies on data localization because the current requirements pose "key trade barriers" between India and the US. "We see this (data localization) as a fundamental issue to the further development of digital trade and one that is crucial to our economic partnership," the senators stated in a letter.

The European Union granted antitrust clearance in Broadcom's proposed $19 billion acquisition of CA Technologies. The company says it expects the deal to close Nov. 5.

Nearly 79% of all internet sites still run on PHP, which will no longer receive security support by 2019, according to W3Techs. The study estimates that roughly 62% of sites running outdated PHP will no longer receive updates, which could expose millions of websites to potential security risks.