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| 10 Jun 2026 | |
| Written by Gabi Gerber | |
| Attacks & Threats |
| Security Operation Center, Hacking Topics |
A weakness in certain configurations of Microsoft Exchange enables attackers to send an email from any user to a vulnerable organization.
That's according to Swiss cybersecurity firm InfoGuard, which published research today concerning a new vulnerability it described as "Ghost-Sender." Specifically, organizations that use Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter as its mail exchange (MX) record are vulnerable to this level of spoofing. MX Records are a type of DNS record that directs email messages to the specific server responsible for an organization's domain. More here
A large-scale scam operation impersonating Microsoft uses a malicious traffic distribution system (TDS) run by a Russian organization and abuses thousands of Cloudflare links. More...
Google, Mozilla, Apple, the Go project and others moved swiftly to block the affected certificates from the Indian CA, t… More...
A developer's GitHub account that was compromised several months earlier was used to push malicious code to unsuspecting… More...
Those closest to executives must match their security postures because the weakest link in a family can become the entry… More...
A bug in Claude Code Desktop's preview pane can allow adversaries to quietly steal credentials from developers, includin… More...
A large-scale scam operation impersonating Microsoft uses a malicious traffic distribution system (TDS) run by a Russian organization and abuses thousands of Cloudflare links. More...
Google, Mozilla, Apple, the Go project and others moved swiftly to block the affected certificates from the Indian CA, t… More...
A developer's GitHub account that was compromised several months earlier was used to push malicious code to unsuspecting… More...
Those closest to executives must match their security postures because the weakest link in a family can become the entry… More...
A bug in Claude Code Desktop's preview pane can allow adversaries to quietly steal credentials from developers, includin… More...