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Malware
Group-IB has discovered a new espionage implant named HollowGraph that hijacks Microsoft 365 calendars for command-and-control (C2) and data exfiltration. The malware,…
C2
Cavern
Cavern Manticore
Check Point
July 20, 2026
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Critical CVEs
One of six vulnerabilities discovered in dnsmasq as part of OpenAI's Daybreak initiative.
CVE-2026-4890
DNS
dnsmasq
vulnerability
June 25, 2026
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Critical CVEs
One of six vulnerabilities discovered in dnsmasq as part of OpenAI's Daybreak initiative.
CVE-2026-4891
DNS
dnsmasq
vulnerability
June 25, 2026
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Critical CVEs
One of six vulnerabilities discovered in dnsmasq as part of OpenAI's Daybreak initiative.
CVE-2026-4892
DNS
dnsmasq
vulnerability
June 25, 2026
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Critical CVEs
One of six vulnerabilities discovered in dnsmasq as part of OpenAI's Daybreak initiative.
CVE-2026-5172
DNS
dnsmasq
vulnerability
June 25, 2026