Sign up for cybersecurity newsletter and get latest news updates delivered straight to your inbox daily. A vulnerability in Microsoft Teams left people's devices open to attacks that utilized a malicious GIF. Read... Mastercard data exec highlights the foundational role of enterprise data governance during the pandemic era with more people ... More powerful server hardware is coming to the Exadata database service, bringing increased scalability and throughput for ... All Rights Reserved, “The fact that the victim needs only to see the crafted message to be impacted is a nightmare from a security perspective,” he said in a disclosure blog. Follow THN on, Police Raided German Spyware Company FinFisher Offices. Tsarfati’s full disclosure blog, including extensive technical information and proofs of concept, can be read at CyberArk’s website. Conditional access policies that are set for these cloud apps apply to Microsoft Teams when a user directly signs in to Microsoft Teams … This month, the company has patched 120 vulnerabilities across 13 different products, from Edge to … IT spending by companies in the early days of COVID-19 quickly turned to cost-cutting. By sending the target user a malicious .gif file, CyberArk found that attackers could get hold of this authentication token and take over the victim’s account by sending the token to the compromised subdomain. Operational goals can help IT teams decide if ITAM or CMDB ... IBM is partnering with a group of historically Black colleges and universities to set up a quantum computing center in hopes of ... SELinux provides a more secure way to run Linux servers. Please login. All Rights Reserved. Copyright 2000 - 2020, TechTarget Microsoft has started rolling out today the August 2020 Patch Tuesday security updates. CyberArk’s research team worked with Microsoft’s Security Response Center after finding the vulnerabilities in March 2020, and a patch was made available on 20 April. Submit your e-mail address below. The update addresses the vulnerability by changing how ASP.NET and .NET Framework handle requests. There is no shortage of software options for change management tools. Learn About 5 New Security and Privacy Features of Android 11. The development comes as video conferencing software such as Zoom and Microsoft Teams are witnessing an unprecedented surge in demand as businesses, students, and even government employees across the world are forced to work and socialize from home during the coronavirus pandemic. To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE). The weakness, which involved exploiting some seemingly innocuous and entertaining GIFs, was discovered by researchers at CyberArk. Launch a zero-trust strategy in six steps. 10 courses + 1,236 lessons on latest techniques, forensics, malware analysis, network security and programming. Geraint Williams, CISO at GRCI, a provider of risk management and compliance services, said the vulnerability was especially concerning given that so many organisations have rolled out videoconferencing services such as Teams at speed during the Covid-19 coronavirus pandemic. You have exceeded the maximum character limit. India Witnessed Spike in Cyber Attacks Amidst Covid-19 - Here's Why? This email address is already registered. "We found that by leveraging a subdomain takeover vulnerability in Microsoft Teams… Microsoft Teams Vulnerability Let Hackers “Take Over Entire Roster of Teams Accounts” Increase / Decrease text size - Conor Reynolds 27th April 2020 A new analysis of Microsoft Teams … This email address doesn’t appear to be valid. CVE-2020-1476; A remote code execution vulnerability exists when Microsoft … Sign up for Computer Weekly's daily email, Datacentre backup power and power distribution, Secure Coding and Application Programming, Data Breach Incident Management and Recovery, Compliance Regulation and Standard Requirements, Telecoms networks and broadband communications, Global operator revenue to be buoyed by 5G over next five years, Pandemic causes record spike in collapse of tech startups, EU contact-tracing app interoperability gateway goes live, Frontegg scrambles ‘old’ cloud development, goes sunny-side on low-code breakfasts. Microsoft has fixed a vulnerability in its Teams app that left users at risk of having their accounts taken over. Golden SAML: How can it abuse SAML authentication ... What is subdomain takeover and why does it matter? CyberArk’s research team worked with Microsoft’s Security Response Center after finding the vulnerabilities in March 2020, and a patch was made available on 20 April. In this case, had no patch been applied, simply viewing a malicious image would be the culprit. Reach out to get featured—contact us to send your exclusive story idea, research, hacks, or ask us a question or leave a comment/feedback! Key commands for status, file management and troubleshooting can help ... Enterprises benefit in many ways from AI data privacy tools that reduce the need for manual efforts from data professionals. “For developers, this vulnerability disclosure is far more interesting. Learn more about the infamous 8: Infrastructure as Code vulnerabilities and how to find and fix them. “Ensuring that you keep libraries up to date, patch software regularly, have strong authentication processes for all users and maintain secure domains are good starting points in your organisation’s cyber defence. “With tools like Teams, it is so important to ensure that only approved and regulated users can access the platform and post in collaboration activities – it all boils down to having robust user access controls and strong authentication processes in place,” Williams told Computer Weekly in emailed comments. By submitting my Email address I confirm that I have read and accepted the Terms of Use and Declaration of Consent. The .gif would not have had to be shared, merely seen, making the exploit particularly dangerous. The vulnerability could also be used to send false information to employees by impersonating trusted leadership, leading to more severe consequences. Eventually, the attacker could access all the data from your organisation Teams accounts – gathering confidential information, competitive data, secrets, passwords, private information, business plans.”. Do Not Sell My Personal Info. Check out this eguide for advice on making cloud security choices, looks at how to guard against DDoS attacks, and finds out Amazon’s approach to building secure cloud products. © The Hacker News, 2019. Privacy Policy It highlights the reality that there never is a single weakness behind any attack and that complex systems can provide opportunities for attack.”, Mackey added: “Protecting against this type of attack requires API developers to think like attackers and ensure they fully understand the scope of any access their API tokens provide while also building a comprehensive treat model covering misuse of their APIs.”. Cyber attack hallmarks identified in cross-industry ... Quantum computing challenges and opportunities, COVID-19 jolts tech spending, spurs more flexible vendor terms, 8 ways CIOs can help companies emerge strong after COVID-19, Planning a zero-trust strategy in 6 steps, Zero-trust implementation begins with choosing an on-ramp, Combating disinformation campaigns ahead of 2020 election, Enterprise 5G: Guide to planning, architecture and benefits, How to ensure a scalable SASE architecture, Compare low-power Wi-Fi protocols and their roles in IoT, Figure out the differences of asset management vs. CMDB, IBM partners with HBCUs to promote quantum computing, Learn SELinux commands for management and troubleshooting, How AI data privacy can help your enterprise, The new normal for enterprise data governance, Oracle accelerates Exadata database cloud service, How Tableau is riding on its Salesforce synergy, How Malaysia’s industries are tapping IoT. “This extends to any other individuals you are collaborating with on Teams who are from outside of your organisation. CyberArk found two of these at Microsoft, both of them now locked down. Tim Mackey, principal security strategist at Synposys’ Cybersecurity Research Center (CyRC), said: “For the general public, this specific vulnerability has been mitigated by Microsoft, but the research shows just how careful we need to be when working with any content. Microsoft’s Teams collaboration platform contains a vulnerability that can be exploited with a malicious GIF enabling an attacker to take over a company’s Teams accounts. This vulnerability had the potential to take over all Microsoft Team accounts of an organization. If successfully exploited, the vulnerability could easily have spread across corporate networks to affect every user of the target’s Teams desktop or browser application, stealing sensitive business data and harvesting user accounts, according to CyberArk researcher Omer Tsarfati. Secure Code Bootcamp is a free, fun mobile app for early-career coders. Learn how to form a dedicated team, ask questions about existing security controls and... Zero-trust security has three main on-ramps -- each with its own technology path. Microsoft Teams relies heavily on Exchange Online, SharePoint, and Skype for Business Online for core productivity scenarios, like meetings, calendars, interop chats, and file sharing. “Even if an attacker doesn’t gather much information from a Teams account, they could use the account to traverse throughout an organisation. However, it is also crucial that you regularly attack these defences yourself, so you can assess them for weak points.”. Google Warns of Zero-Click Bluetooth Flaws in Linux-based Devices, FIN11 Hackers Spotted Using New Techniques In Ransomware Attacks, Microsoft Releases Patches For Critical Windows TCP/IP and Other Bugs, Guide: Scale or Fail — Why MSSPs Need Multitenant Security Solutions, Secure Code Bootcamp - Learn Secure Coding on the Go. For a clear-cut zero-trust implementation, ... As the 2020 election approaches, more focus needs to be on overcoming disinformation campaigns that manipulate voters as they ... An enterprise 5G deployment requires extensive planning. CISA, CISM, CISSP, PMI-RMP, and COBIT 5 certifications. Many of them, he said, would not have had time to consider hardening or pen testing their defences. A security flaw in Microsoft Teams made it possible for attackers to take over accounts just by getting a victim to view a GIF. “Every account that could have been impacted by this vulnerability could also have been a spreading point to all other company accounts. The bug, which was unearthed by CyberArk, is a two-fold attack that hinges on the successful takeover of a vulnerable subdomain, coupled with an exploitation of specific behaviours in the Microsoft Teams authentication system, pertaining to how authentication tokens for images within Teams are created. Cookie Preferences The vulnerability stemmed from the way in which Teams handles … We'll send you an email containing your password. Microsoft has fixed a bug in its widely-used Teams unified communications and collaboration (UCC) product that could have allowed hackers to take over a victim’s roster of Teams accounts by sending a malicious .gif image file to a target user.

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