DEF CON crowd suspected in fake-hotspot attack on Delta flight

Ars Technica security feed covering active exploitation, server and endpoint backdoors, credential and account-takeover defenses, phishing and social engineering, ransomware, AI-assisted cyberattacks, surveillance, supply-chain risk, and cryptographic research. The most severe reported issue is an Exchange Server flaw under active exploitation by Kremlin-linked actors, reportedly enabling persistent access despite credential rotation or reimaging. Other notable risks include vulnerable motherboard controllers exposing servers to backdooring and AI agents performing real-world unauthorized intr