Attackers targeted a major US energy company with a phishing campaign that overall sent more than 1,000 emails armed with malicious QR codes aimed at stealing Microsoft credentials. The campaign, discovered by Cofense in May, used both PNG image attachments and redirect links associated with Microsoft Bing and well-known business applications — including Salesforce and…

A Microsoft 365 phishing campaign has targeted over 100 companies since March and successfully compromised accounts belonging to senior business executives. The attackers used EvilProxy, a phishing toolkit that uses reverse-proxy tactics to bypass multifactor authentication (MFA). “Contrary to what one might anticipate, there has been an increase in account takeovers among tenants that have…

Iran-linked Charming Kitten group, (aka APT35, Phosphorus, Newscaster, and Ajax Security Team) made the headlines in 2014 when experts at iSight issued a report describing the most elaborate net-based spying campaign organized by Iranian hackers using social media. Microsoft has been tracking the threat actors at least since 2013, but experts believe that the cyberespionage…

The vulnerability of subdomain takeover in Microsoft Azure continues to pose a threat, with researchers at Keytos discovering approximately 15,000 vulnerable subdomains each month using cryptographic certificates. This relatively common exploit allows cybercriminals to impersonate organizations, launch attacks, and display spam content through legitimate sites. Despite continuous attempts to contact and notify over 1,000 organizations…

Redmond’s monthly Patch Tuesday updates cover at least 70 documented vulnerabilities affecting the Windows ecosystem, including six critical issues that expose users to dangerous code execution attacks. According to Microsoft, none of the vulnerabilities have been publicly discussed or exploited in the wild. Windows network administrators are being urged to pay special attention to a…

Microsoft issued an optional patch Tuesday as part of its monthly dump of fixes that addresses for the second time a Secure Boot zero-day vulnerability exploited by BlackLotus UEFI malware. In all, the Redmond giant pushed out 38 security fixes in its May patch cycle, addressing three zero-day flaws – two of which are under…

Recent destructive attacks against organizations that masquerade as a ransomware operation called DarkBit are likely performed by an advanced persistent threat (APT) group that’s affiliated with the Iranian government. During some of these operations the attackers didn’t limit themselves to on-premises systems but jumped into victims’ Azure AD environments where they deleted assets including entire…

Researchers from Orca Security shared details about a new vulnerability, dubbed Super FabriXss (CVE-2023-23383 – CVSS score: 8.2), in Azure. The experts demonstrated how to escalate a reflected XSS vulnerability in Azure Service Fabric Explorer to an unauthenticated Remote Code Execution. The researchers explained that they have abused the metrics tab and enabled a specific…