Proofpoint disclosed an active campaign, tracked as UNKCondorFiltration, that used the TeamFiltration offensive framework against more than 5,700 accounts across 28 Microsoft 365 tenants. It focused mainly on Chilean retail and financial institutions and originated from 1,487 unique AWS EC2 IP addresses. Seven accounts were compromised, a…
ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …
Huntress reports that a stolen vendor credential for ConnectWise Cloud Backup (formerly SkyKick) was used on October 15, 2026 to obtain Microsoft Graph tokens in customer Microsoft 365 tenants from the hosting IP 144.172.64.128. As of 19:00 UTC on October 16, Huntress had confirmed unauthorized sign-ins in 162 tenants. Later updates found…
GreyNoise reports that a single malicious cyber actor, tracked since 7 May 2026, is a suspected Chinese speaker working in UTC+8 and is the same as or related to Red Heron (reported by Acronis), based on the shared C2 domain, malware family, Gitea exploitation and other TTPs. The actor exploited the wp2shell WordPress chain (CVE-2026-6303…
An active supply chain attack is abusing a compromised credential for the ConnectWise Cloud Backup (formerly SkyKick) Microsoft 365 OAuth application, giving unknown actors access to customer tenants. Huntress confirmed unauthorized sign-ins in 173 partner/customer tenants, and Microsoft reports broad successful service principal authenti…