Microsoft Defender for Endpoint now works with Intel’s low level CPU hardware based Threat Detection Technology to spot and block cryptojacking malware. Intel Threat Detection Technology (TDT) uses machine learning to analyse low level telemetry from the CPU’s performance monitoring subsystem to identify that cryptomining is happening and then signals Microsoft Defender to do somethingRead more
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The April security patch bundle from Microsoft resolves 108 vulnerabilities, 19 of them Critical and 5 are zero-day with one already under active attack. The majority of the remote code execution vulnerabilities fixed this month are in the Windows Remote Procedure Call Runtime. 27 Critical or Important vulnerabilities have been resolved in this software thatRead more
Microsoft has released an easy to install one-click mitigation tool for the critical Exchange security vulnerability known as ProxyLogon as the NCSC issues an urgent alert to UK firms. The Hafnium/Proxylogon attack against Microsoft Exchange servers worldwide is escalating. Security researchers at Checkpoint report a 10 fold increase in daily attacks against Exchange e-mail serversRead more
Microsoft has updated their Microsoft Safety Scanner (MSERT) tool so that it detects Web Shells installed on your Exchange servers through the ProxyLogon vulnerability. Last week Microsoft issued emergency patches to address four zero-day exploits that were being exploited by the Hafnium group. Since the disclosures, criminal groups have been targeting Microsoft Exchange Servers aroundRead more
Microsoft has published details and out of cycle patches for several 0-day Exchange exploits under active attack. Microsoft Security Response Center advises: Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect against these exploits and to prevent future abuse across the ecosystem. The exploits have been linked to theRead more
A new whitepaper from Microsoft highlights the risks of software supply chain attacks for organisations that pull package dependencies from public repositories like npm, RubyGems and PIP. A dependency confusion attack or supply chain substitution attack occurs when a software installer script is tricked into pulling a malicious code file from a public repository insteadRead more
In the February 2021 Patch Tuesday security update Microsoft fixed 56 flaws, one zero-day vulnerability and two remote code execution vulnerabilities in the Windows Fax Service. That’s right, someone can send you a fax and take over your Windows system. While you might be tempted to think: ‘who sends faxes these days?’ that is theRead more
Microsoft continues to roll out changes to mitigate the Zerologon vulnerability and a change due in the February Patch Tuesday could break non-Windows device’s ability to connect to the domain. The Zerologon vulnerability is a flaw in the Microsoft NetLogon protocol. Tracked as CVE-2020-1472 the vulnerability allows an unauthenticated user to change passwords on theRead more
Microsoft starts the year with their first patch Tuesday bundle of security fixes targeting 10 Critical vulnerabilities include a zero-day being exploited in Windows Defender. The Windows Defender vulnerability (CVE-2021-1647) is reported by Microsoft as having been detected under active exploitation in the wild – but precious little context information is provided under the firm’sRead more
SAD DNS is a protocol level vulnerability in the DNS system. Microsoft has published a new security advisory which offers a mitigation to protect your DNS systems from spoofing or poisoning. If an attacker is able to successfully exploit the SAD DNS vulnerability (CVE-2020-25705), it will be possible to spoof a DNS packet which isRead more
