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A malvertising group known as "ScamClub" exploited a zero-day vulnerability in WebKit-based browsers to inject malicious payloads that redirected users to fraudulent websites gift card scams. The attacks, first spotted by ad security firm Confiant in late June 2020, leveraged a bug (CVE-2021–1801) that allowed malicious parties to bypass the iframe sandboxing policy in the browser engine that powers Safari and Google Chrome for iOS and run malicious code. Specifically, the technique exploited the manner how WebKit handles JavaScript event listeners , thus making it possible to break out of the sandbox associated with an ad's inline frame element despite the presence of "allow-top-navigation-by-user-activation" attribute that explicitly forbids any redirection unless the click event occurs inside the iframe. To test this hypothesis, the researchers set about creating a simple HTML file containing a cross-origin sandboxed iframe and a button outside it that...

There are many different types of accounts in a typical Active Directory environment. These include user accounts, computer accounts, and a particular type of account called a  service account .  A service account is a special type of account that serves a specific purpose for services, and ultimately, applications in the environment. These special-purpose Active Directory accounts are also the subject of cybersecurity risks in the environment. What is a service account? What special privileges does it have on local systems? What cybersecurity risks can relate to service accounts used in the environment? How can IT admins find weak or non-expiring passwords used in Active Directory for service accounts? What is a Windows service? As mentioned at the outset, specific Active Directory accounts serve different purposes in Active Directory Domain Services (ADDS). You can assign Active Directory accounts as service accounts, a special-purpose account that most organizations c...

Multiple unpatched vulnerabilities have been discovered in SHAREit , a popular app with over one billion downloads, that could be abused to leak a user's sensitive data, execute arbitrary code, and possibly lead to remote code execution. The findings come from cybersecurity firm Trend Micro's analysis of the Android version of the app, which allows users to share or transfer files between devices. But in a worrisome twist, the flaws are yet to be patched by Smart Media4U Technology Pte. Ltd., the Singapore-based developer of the app, despite responsible disclosure three months ago. "We decided to disclose our research three months after reporting this since many users might be affected by this attack because the attacker can steal sensitive data and do anything with the apps' permission," Trend Micro researcher Echo Duan  said  in a write-up. "It is also not easily detectable." One of the flaws arises from the manner the app facilitates sharing of ...

As managed security service providers, you're always on the lookout for new platforms. One that can generate further business, enables you to scale easily without investing in more human resources and provides that value immediately. In the meanwhile, your clients are constantly demanding more security for a lesser cost. Cynet recently published an 8-min video detailing their platform, the Cynet 360 Autonomous XDR Platform. In their video, Cynet specifically focuses on managed service partners, showing the security and business benefits that the platform provides. The video shows the "partner view" of the system and demonstrates how the platform is used to manage multiple clients. Learn more about the Cynet 360 platform for Managed Service Providers  here . Cynet 360 natively combines several security components to reduce your operational costs. First, an XDR - Extended Detection and Response, which is a consolidated pre-integrated platform of multiple security sol...

Russia-linked state-sponsored threat actor known as Sandworm has been linked to a three-year-long stealthy operation to hack targets by exploiting an IT monitoring tool called Centreon . The intrusion campaign — which breached "several French entities" — is said to have started in late 2017 and lasted until 2020, with the attacks particularly impacting web-hosting providers, said the French information security agency ANSSI in an advisory. "On compromised systems, ANSSI discovered the presence of a backdoor in the form of a webshell dropped on several Centreon servers exposed to the internet," the agency  said  on Monday. "This backdoor was identified as being the PAS webshell, version number 3.1.4. On the same servers, ANSSI found another backdoor identical to one described by ESET and named Exaramel." The Russian hacker group (also called APT28, TeleBots, Voodoo Bear, or Iron Viking) is said to be behind some of the most devastating cyberattacks in p...