![]() In addition, certain software protects your system against unauthorized code or software that potentially threatens your operating system. Using Antivirus Software: Antivirus software helps protect against viruses and malware.Windows and Mac OS’ have these built into them, but you can also purchase firewalls from companies like Cisco or Fortinet depending on what router you utilize and what your network set up is. A nice feature of firewalls is that it also prevents unauthorized access to your system, and it will alert you of any intrusion attempts. ![]() Use a firewall: By using a firewall, the traffic is being filtered and there is a barrier between the information on your system and the outside world.There are also steps that can be taken to prevent intrusion and maintain integrity of your system. One of the most important ways to protect yourselves from vulnerabilities like this is to make sure that all of the Windows’s updates have been applied to your computer. A Shadow volume copy is a windows feature that creates snapshots of computer files during various file system operations ( Techopedia) How Do We Protect Ourselves? Lykkegaard stated that while he was testing Windows 11, he discovered that Windows was restricting low-privileged users from accessing these sensitive files, but that copies of these files were being saved in backup files by something known as the Shadow Volume Copy. These are important files within windows, because they contain information such as hashed passwords for all the Windows user accounts, security-related settings, data about encryption keys and other core operating system configurations (TheRecord) How Was This Bug Found?Īccording to The Record, who published an article on this bug, the bug was found while testing the upcoming Windows 11 release. Via Twitter, Jonas explained that the vulnerability resides in how Windows 10 grants access to some of the OS (operating system) configuration files. Serious SAM was discovered by a security researcher who is named Jonas Lykkegaard. Microsoft states that an attacker who is able to successfully exploit this vulnerability could run arbitrary code with SYSTEM privileges, and then the attacker could install programs, view, change, delete data or create new accounts with full user rights. ![]() According to Microsoft, an elevation of privilege vulnerability exists because of an overly permissive access control list or ACL on multiple system files, which includes the Security Accounts Manager (SAM) database. Serious SAM stands for Security Accounts Manager, and it refers to how windows control who can access folders such as SAM, SECURITY and SYSTEM (The Record) The reason that Serious SAM is such a serious bug – no pun intended, is because it deals with elevation of privilege. This blog will go through all the details of the Windows Serious SAM bug and discuss how prevent attackers from accessing the data, and how to go about creating new accounts on compromised systems. This bug stands for Security Accounts Manager and was known as a Windows 10 Zero Day Vulnerability. According to the Microsoft Vulnerability Database, this is known as CVE-2021-36934. On July 20 th, 2021, Microsoft released a security vulnerability known as Serious SAM.
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