Latest cybersecurity reporting from selected sources.

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

Experts Warn of DDoS, Ransomware, Proxy And Other Attacks on Health SectorThe escalating conflict emerging from the U.S. and Israel military strikes this weekend on Iran, which killed the country's top leadership and crippled its internet connectivity, could erupt into cyberattacks against the healthcare sector by Iranian sympathizers and proxies, experts warn.

Geopolitical Conflict Involving Iran, Israel, US Ripe for Attacks on SectorGovernment authorities are warning of increased risk of Iranian cyber and related threats against healthcare and public health sector organizations - including ransomware, distributed denial-of-service and other attacks related to that nation's escalated conflicts with Israel and the U.S.

Analysts Warn US Infrastructure May Be Next as Iran Plans Missile Strike ResponseIsrael’s strike on Iranian military and nuclear targets has triggered fears of retaliatory cyberattacks, with analysts warning that Tehran may escalate disruptions against U.S. and Israeli critical infrastructure through proxy campaigns, brute-force attacks or coordinated DDoS strikes.

Russian Actors Disrupt Websites of Political Party, Business and Government GroupsPlans by Japan and U.S. to conduct military exercises near the coast of eastern Russia prompted Russia-linked threat actors to unleash a series of denial-of-service attacks this week against a dozen websites in Japan including the majority political party, business groups and governments.

HHS: Bot-Driven Attacks Can Overwhelm Email Servers, Networks and Disrupt WorkflowFederal authorities are warning healthcare and public health sector entities of email bomb attacks, a type of denial-of-service attack that can overwhelm email systems and networks and distract victims from other nefarious activities. The incidents can also disrupt clinical and business workflow.