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The Hacker News - Cybersecurity News and Analysis: Windows 10 hacking

Cortana Software Could Help Anyone Unlock Your Windows 10 Computer

Cortana Software Could Help Anyone Unlock Your Windows 10 Computer

June 13, 2018Swati Khandelwal
Cortana, an artificial intelligence-based smart assistant that Microsoft has built into every version of Windows 10, could help attackers unlock your system password. With its latest patch Tuesday release , Microsoft has pushed an important update to address an easily exploitable vulnerability in Cortana that could allow hackers to break into a locked Windows 10 system and execute malicious commands with the user's privileges. In worst case scenario, hackers could also compromise the system completely if the user has elevated privileges on the targeted system. The elevation of privilege vulnerability, tracked as CVE-2018-8140 and reported by McAfee security researchers, resides due to Cortana's failure to adequately check command inputs, which eventually leads to code execution with elevated permissions. "An Elevation of Privilege vulnerability exists when Cortana retrieves data from user input services without consideration for status," Microsoft explain
New GhostHook Attack Bypasses Windows 10 PatchGuard Protections

New GhostHook Attack Bypasses Windows 10 PatchGuard Protections

June 22, 2017Swati Khandelwal
Vulnerabilities discovered in Microsoft PatchGuard kernel protection could allow hackers to plant rootkits on computers running the company's latest and secure operating system, Windows 10. Researchers at CyberArk Labs have developed a new attack technique which could allow hackers to completely bypass PatchGuard, and hook a malicious kernel code (rootkits) at the kernel level. PatchGuard, or (or Kernel Patch Protection) is a software tool that has been designed to forbid the kernel of 64-bit versions of Windows OS from being patched, preventing hackers from running rootkits or executing malicious code at the kernel level. Dubbed GhostHook , the attack is what the CyberArk Labs researchers call the first attack technique that thwarts the defensive technology to bypass PatchGuard, though it requires a hacker to already be present on a compromised system and running code in the kernel. So, basically, this is a post-exploitation attack. "[GhostHook] is neither an
Shadow Brokers, Who Leaked WannaCry SMB Exploit, Are Back With More 0-Days

Shadow Brokers, Who Leaked WannaCry SMB Exploit, Are Back With More 0-Days

May 16, 2017Swati Khandelwal
The infamous hacking collective Shadow Brokers – the one who leaked the Windows SMB exploit in public that led to last weekend's WannaCrypt menace – are back, this time, to cause more damage. In typically broken English, the Shadow Brokers published a fresh statement (with full of frustration) a few hours ago, promising to release more zero-day bugs and exploits for various desktop and mobile platforms starting from June 2017. However, this time the Shadow Brokers leaks will not be available for everybody, as the hacking collective said: "TheShadowBrokers is launching new monthly subscription model. Is being like [the] wine of month club. Each month peoples can be paying membership fee, then getting members only data dump each month." To some extent, this is good news, but it is terrible news too. Good because now all these upcoming alleged unpatched vulnerabilities will be patched after being disclosed and terrible because the group will sell new zero-day e
Microsoft Responds To Windows 10 Spying Concerns, But It will Still Collect Your Data

Microsoft Responds To Windows 10 Spying Concerns, But It will Still Collect Your Data

September 29, 2015Swati Khandelwal
After a number of controversial data mining features and privacy invasions within Microsoft's newest operating system, Microsoft finally broke the ice, almost two months since the launch of Windows 10. Microsoft has finally responded to the growing privacy concerns around its new operating system to regain the trust of the users who are concerned about their online privacy related to Windows 10. In a blog post published Monday, Windows chief Terry Myerson describes three ways in which Windows 10 collects and uses its users data – although he did admit that the OS does regularly phone home by default. 1. Data used for Safety and Reliability Data This data includes anonymous device ID, device type and crash logs. It does not contain any content or files from your computer that directly identifies you. What else? Myerson claims that everything Microsoft collects is " encrypted in transit to [its] servers and then stored in secure facilities. " The
Bypassing Windows Security by modifying 1 Bit Only

Bypassing Windows Security by modifying 1 Bit Only

February 12, 2015Swati Khandelwal
Among several vulnerabilities, Microsoft on Tuesday patched a critical vulnerability that could be exploited by hackers to bypass security measures on all versions of Windows operating systems from XP to Windows 10, just by modifying a single bit. The local privilege escalation vulnerability ( CVE-2015-0057 ) could give attackers total control of the victims' machines, explains Udi Yavo, the chief technology officer at the security firm enSilo. " A threat actor that gains access to a Windows machine can exploit this vulnerability to bypass all Windows security measures, defeating mitigation measures such as sandboxing, kernel segregation and memory randomization ," said Yavo. INTERESTING PART OF THE FLAW Yavo continued, " Interestingly, the exploit requires modifying only a single bit of the Windows operating system. " The flaw existed in the graphical user interface (GUI) component of the Win32k.sys module within the Windows Kernel which, amon
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