information security news Archives - Page 448 of 808

Pierluigi Paganini December 16, 2021

While attackers begin exploiting a second Log4j flaw, a third one emerges

Experts warn that threat actors are actively attempting to exploit a second bug disclosed in the popular Log4j logging library. American web infrastructure and website security company Cloudflare warns that threat actors are actively attempting to exploit a second vulnerability, tracked as CVE-2021-45046, disclosed in the Log4j library. The CVE-2021-45046 received a CVSS score of 3.7 and affects […]

Pierluigi Paganini December 16, 2021

Multiple Nation-State actors are exploiting Log4Shell flaw

Nation-state actors from China, Iran, North Korea, and Turkey are attempting to exploit the Log4Shell vulnerability to in attacks in the wild. Microsoft researchers reported that Nation-state actors from China, Iran, North Korea, and Turkey are now abusing the Log4Shell (CVE-2021-44228) in the Log4J library in their campaigns. Some of the groups exploiting the vulnerability are China-linked Hafnium and […]

Pierluigi Paganini December 16, 2021

Owowa, a malicious IIS Server module used to steal Microsoft Exchange credentials

Threat actors are using a malicious Internet Information Services (IIS) Server module, dubbed Owowa, to steal Microsoft Exchange credentials. Kaspersky researchers spotted malicious actors while deploying a previously undiscovered binary, an Internet Information Services (IIS) webserver module dubbed “Owowa,” on Microsoft Exchange Outlook Web Access servers to steal credentials and for remote code execution. “Owowa […]

Pierluigi Paganini December 15, 2021

FBI’s investigation accidentally revealed the HelloKitty ransomware gang operates out of Ukraine

While investigating a data breach suffered by a healthcare organization, FBI accidentally revealed that it believes that the HelloKitty ransomware gang operates out of Ukraine. The investigation conducted by FBI on a recent data breach suffered by an Oregon healthcare organization lead to the accidental revelation that the FBI believes that the HelloKitty ransomware gang […]

Pierluigi Paganini December 15, 2021

Microsoft December 2021 Patch Tuesday fixes an actively exploited zero-day

Microsoft December 2021 Patch Tuesday addresses 67 vulnerabilities, including an actively exploited Windows Installer vulnerability. Microsoft December 2021 Patch Tuesday addressed 67 vulnerabilities in Microsoft Windows and Windows Components, ASP.NET Core and Visual Studio, Azure Bot Framework SDK, Internet Storage Name Service, Defender for IoT, Edge (Chromium-based), Microsoft Office and Office Components, SharePoint Server, PowerShell, […]

Pierluigi Paganini December 15, 2021

Iran-linked Seedworm APT targets Telecoms organizations across the Middle East and Asia

Researchers uncovered a new Seedworm campaign targeting telecommunication and IT service providers in the Middle East and Asia. Iran-linked APT group Seedworm (aka MERCURY, MuddyWater, TEMP.Zagros, or Static Kitten) is behind a new cyberespionage campaign targeting telecommunication and IT service providers in the Middle East and Asia, Symantec warns. The Seedworm has been active since at least […]

Pierluigi Paganini December 15, 2021

DHS announces its ‘Hack DHS’ bug bounty program

The DHS has launched a new bug bounty program dubbed ‘Hack DHS’ to discover security vulnerabilities in external DHS systems. The Department of Homeland Security (DHS) has launched a new bug bounty program dubbed ‘Hack DHS’ that allows vetted white hat hackers to discover and report security vulnerabilities in external DHS systems. “As the federal […]

Pierluigi Paganini December 14, 2021

Adobe addresses over 60 vulnerabilities in multiple products

Adobe warns of threat actors that could exploit critical vulnerabilities in multiple products running on Windows and macOS systems. Adobe has issued critical warnings for more than 60 vulnerabilities in multiple products running on Windows and macOS machines. The vulnerabilities can be exploited by threat actors for code execution, privilege escalation and denial-of-service attacks. The […]

Pierluigi Paganini December 14, 2021

Hackers exploit Log4Shell to drop Khonsari Ransomware on Windows systems

Bitdefender researchers discovered that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. Bitdefender researchers discovered that threat actors are attempting to exploit the Log4Shell vulnerability (CVE-2021-44228) to deliver the new Khonsari ransomware on Windows machines. Experts warn that threat actors are attempting to exploit the Log4Shell flaw […]

Pierluigi Paganini December 14, 2021

US CISA orders federal agencies to fix Log4Shell by December 24th

US CISA ordered federal agencies to address the critical Log4Shell vulnerability in the Log4j library by December 24th, 2021. US CISA ordered federal agencies to address the critical Log4Shell vulnerability in the Log4j library by December 24th, 2021. The order aims at preventing threat actors could exploit the vulnerability in attacks against government systems. The CVE-2021-44228 flaw […]