Microsoft's September Patch Tuesday security update covers 61 vulnerabilities, with four rated critical. These include a fix for the critical MSHTML Vulnerability Microsoft revealed last week and patches to a Windows scripting engine flaw and a Windows DNS flaw.
The top three tactics attackers have been using to break into corporate and government networks are brute-forcing passwords, exploiting unpatched vulnerabilities, and social engineering via malicious emails, says security firm Kaspersky in a roundup of its 2020 incident response investigations.
"There are so many basics we need to get right," says Daniel Dresner, professor of cyber security at Manchester University. In this interview, he discusses the cybersecurity practices that he recommends to make the task of securing small- to medium-sized enterprises less overwhelming.
Apple patched a software vulnerability on Monday that researchers say was used to deliver spyware via its iMessage platform to the mobile phones of activists. But a few changes to iMessage could make it safer overall for individuals at high risk of surveillance, says an Apple security expert.
Attackers are actively exploiting a flaw in Microsoft Windows for which no patch is yet available. Microsoft has issued workarounds and mitigations designed to block the zero-day attack for the flaw in the MSHTML browsing engine, which is being exploited via malicious Microsoft Office documents.
Google has identified three critical vulnerabilities affecting several Netgear smart switch products that, if exploited, give the attacker complete control over the compromised device. Netgear has issued a security advisory confirming that it has issued patches for 20 impacted products.
The most sought-after type of victim for ransomware-wielding attackers is a large, U.S.-based business with at least $100 million in revenue, not operating in the healthcare or education sector, with remote access available via remote desktop protocol or VPN credentials, threat intelligence firm Kela reports.
SEC Consult reportedly found multiple vulnerabilities in Moxa devices used in critical infrastructures including railways, manufacturing, cellular and heavy industries. Moxa has confirmed patching 60 vulnerabilities in its latest firmware update and issued mitigation advice for discontinued devices.
While there is currently a lack of specific cyberthreats, Deputy National Security Adviser Anne Neuberger urges organizations, especially those in critical infrastructure, to take precautions over the Labor Day weekend, as threat groups have taken advantage of previous holidays to conduct attacks.
Several companies that use the OpenSSL cryptography library toolkit are reportedly scrambling and releasing security advisories to their users following patching of two vulnerabilities that were first fixed and disclosed to users on Aug. 24.
Researchers have released details of a serious vulnerability in Microsoft's Exchange email server, nicknamed "ProxyToken." The bug, which was patched by Microsoft in April, could be exploited to copy emails from Exchange inboxes.
A vulnerability in Microsoft Azure's database service Cosmos DB has potentially put at risk thousands of Azure customers, including many Fortune 500 companies, according to the security firm Wiz. Microsoft has mitigated the flaw.
Four months after Microsoft released the first security update for flaws in several versions of its on-premises Exchange Server software, the company has issued its first official guidance on the three actively exploited ProxyShell vulnerabilities.
The Cybersecurity and Infrastructure Security Agency is warning organizations to immediately patch the ProxyShell vulnerabilities in Microsoft Exchange email servers because security researchers say ransomware gangs are exploiting these flaws.
Security researchers are tracking several ransomware gangs that are attempting to exploit a series of bugs in Microsoft Windows collectively called "PrintNightmare." Meanwhile, Microsoft has published an out-of-band alert about another zero-day flaw related to the PrintNightmare vulnerabilities.