Add Yahoo as a preferred source to see more of our stories on Google. PA Media via Getty Images Police in Northern Ireland deployed water cannons as anti-immigrant protests entered their second night ...

President Trump spoke in the Oval Office about American strikes against Iran after the downing of a U.S. Apache helicopter. Photo: Aaron Schwartz/POOL/EPA ...

A new denial-of-service (DoS) attack dubbed HTTP/2 Bomb can be launched from a single machine to take down web servers within seconds. The technique works on default HTTP/2 configurations of major web ...

One person was killed in an attack on the international airport in Kuwait, local authorities said, as Iran continues to target U.S. allies in the Persian Gulf. By Vivian Nereim Reporting from Riyadh, ...

Chinese nation-state threat actors are targeting specific organizations in the Czech Republic and Taiwan for data exfiltration, with a focus on well-defined verticals: government and the public sector ...

SAN DIEGO — Three people were killed when two suspects opened fire at the Islamic Center of San Diego on Monday morning in an attack that sparked widespread shock and condemnation. Police swarmed the ...

President Donald Trump said Monday that he is calling off an attack on Iran planned for Tuesday because regional leaders had urged him to allow negotiations to continue and a “very acceptable” deal ...

At least three people were killed near Moscow after Ukraine targeted Russia with more than 500 drones overnight, Russian state news agency TASS reported Sunday, citing local and military officials.

An Iraqi man accused of orchestrating nearly 20 terrorist attacks across Europe and plotting attacks on Jewish institutions in the United States has been brought to New York to face federal terrorism ...

Recommender systems are vulnerable to poisoning attacks due to their open nature, allowing attackers to inject malicious user profiles to deliberately manipulate recommendation results. Existing ...

Most discussions about artificial intelligence security are focused on what models might do wrong. The more urgent issue is what our detection systems still cannot see — and side-channel attacks are ...

Scientists and biosecurity experts are raising fresh concerns over the potential misuse of advanced AI chatbots in outlining harmful biological attack methods. While most AI systems include strict ...