SEC proposes new rules and amendments regarding cybersecurity. SentinelOne acquires Attivo Networks. YL Ventures launches $400 million fund. – The CyberWire by iMerge Advisors | May 12, 2022 | iMerge M&A Dealmaker News SEC proposes new rules and amendments regarding cybersecurity. SentinelOne acquires Attivo Networks. YL Ventures launches $400 million fund. The CyberWire