New Blacksmith Exploit Bypasses Current Rowhammer Attack Defenses

Cybersecurity researchers have demonstrated yet another variation of the Rowhammer attack affecting all DRAM (dynamic random-access memory) chips that bypasses currently deployed mitigations, thereby effectively compromising the security of the devices. The new technique — dubbed “Blacksmith” (CVE-2021-42114, CVSS score: 9.0) — is designed to trigger bit flips on target refresh rate-enabled DRAM chips with…

Justt comes out of stealth with $70M in funding to help online merchants fight false chargebacks with AI – TechCrunch

Justt, a Tel Aviv-based chargeback mitigation startup, is emerging out of stealth today with $70 million in total funding. Founded in February 2020 by Roenen Ben-Ami and Ofir Tahor, Justt says it fully automates chargeback disputes on behalf of online merchants. The startup recently raised $50 million a Series B round of funding led by…