Latest cybersecurity reporting from selected sources.

PLUS: US takes down Iranian propaganda sites; Marketing company asks 'Why Do We Have Your Information?' And more! Infosec In Brief Russian intelligence-affiliated parties are posing as customer support services on commercial messaging applications such as Signal to compromise accounts and conduct phishing attacks, the FBI and Cybersecurity and Infrastructure Security Agency (CISA) warned last Friday.…

Attackers sidestep encryption with spoofed apps and zero-click exploits to compromise 'high-value' mobile users CISA has warned that state-backed snoops and cyber-mercenaries are actively abusing commercial spyware to break into Signal and WhatsApp accounts, hijack devices, and quietly rummage through the phones of what the agency calls "high-value" users.…

Unnamed org compromised with two malware sets An unknown attacker has abused a couple of flaws in Ivanti Endpoint Manager Mobile (EPMM) and deployed two sets of malware against an unnamed organization, according to the US Cybersecurity and Infrastructure Security Agency.…

No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in Exchange Server hybrid deployments that could allow attackers to escalate privileges from on-premises Exchange to the cloud.…

Indications of compromise and Sigma rules report for your security scanners amid ongoing 'ToolShell' blitz CISA has published a malware analysis report with compromise indicators and Sigma rules for "ToolShell" attacks targeting specific Microsoft SharePoint Server versions.…

CISA calls for 'fundamental, security-focused reforms' to happen ASAP, delaying work on other software A review of the June 2023 attack on Microsoft's Exchange Online hosted email service – which saw accounts used by senior US officials compromised by a China-linked group called "Storm-0558" – has found that the incident would have been preventable save for Microsoft's lax infosec culture and sub-par cloud security precautions.…

CISA calls for 'fundamental, security-focused reforms' to happen ASAP, delaying work on other software A review of the June 2023 attack on Microsoft's Exchange Online hosted email service – which saw accounts used by senior US officials compromised by a China-linked group called "Storm-0558" – has found that the incident would have been preventable save for Microsoft's lax infosec culture and sub-par cloud security precautions.…

Plus: CISA pulls plug on couple of systems feared compromised There's yet another group of miscreants out there hijacking insecure Ivanti devices: A new, financially motivated gang dubbed Magnet Goblin has emerged from the shadowy digital depths with a knack for rapidly exploiting newly disclosed vulnerabilities before vendors have issued a fix.…

Tardy IT admins likely to get a chilly reception over the lack of updates CISA has released details about a federal agency that recently had at least two public-facing servers compromised by attackers exploiting a critical Adobe ColdFusion vulnerability.…

Backdoors detailed, plus CISA releases more IOCs for IT depts to check Nearly a third of organizations compromised by Chinese cyberspies via a critical bug in some Barracuda Email Security Gateways were government units, according to Mandiant.…

About 2,000 NetScaler installations feared compromised as CISA raises alarm over ShareFile Miscreants are actively exploiting critical bugs in two of Citrix's products, both of which the business IT player fixed earlier this summer.…

I think we can handle one little Russia. We sent two units, they're bringing any attempts down now The FBI and the US government's Cybersecurity and Infrastructure Security Agency (CISA) claim any foreign interference in the 2022 US midterm elections is unlikely to disrupt or prevent voting, compromise ballot integrity, or manipulate votes at scale.…

Besides, authorities are plenty familiar with what foreign interference looks like The FBI and Cybersecurity and Infrastructure Security Agency (CISA) claim any foreign interference in the 2022 US midterm elections is unlikely to disrupt or prevent voting, compromise ballot integrity or manipulate votes at scale.…

NSA, FBI and CISA issue joint advisory that suggests China hardly has to work for this – flaws revealed in 2017 are among their entry points State-sponsored Chinese attackers are actively exploiting old vulnerabilities to "establish a broad network of compromised infrastructure" then using it to attack telcos and network services providers.…