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| 10 Jun 2026 | |
| Written by Gabi Gerber | |
| Attacks & Threats |
| Hacking Topics, Security Operation Center |
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
Organizations don't need better vulnerability scanners; they need to know who owns their assets and has the authority and capacity to actually fix them. More...
Threat actors are now hiding payloads by using DNS TXT records and browser cache pre-fetching, making it tougher to spot… More...
A purported ad-blocker exfiltrates reams of sensitive information and benefits from having Google's stamp of approval de… More...
The "third-party[.]com" domain, commonly used as a documentation placeholder, has been observed serving a ClickFix lure … More...
Microsoft seized 50 websites and disabled more than 150 domains as part of a coordinated disruption effort against a phi… More...
Organizations don't need better vulnerability scanners; they need to know who owns their assets and has the authority and capacity to actually fix them. More...
Threat actors are now hiding payloads by using DNS TXT records and browser cache pre-fetching, making it tougher to spot… More...
A purported ad-blocker exfiltrates reams of sensitive information and benefits from having Google's stamp of approval de… More...
The "third-party[.]com" domain, commonly used as a documentation placeholder, has been observed serving a ClickFix lure … More...
Microsoft seized 50 websites and disabled more than 150 domains as part of a coordinated disruption effort against a phi… More...
