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Step – The step number in the there is a UT Note for this step, the note number corresponds to the step number. Check (√) – This is for administrators to check off when she/he completes this portion. To Do – Basic instructions on what to do to harden the respective system CIS – Reference number in the Center for Internet Security Windows Server Benchmark v Nov 04, · Free download Windows server ISO file from the below link. The Windows Server is the cloud-ready operating system that delivers new layers of security and Azure-inspired innovation for the applications and infrastructure. Microsoft Imagine users may download and use for experimentation, learning, and academic lab purposes s: May 14, · Windows Server and earlier: Disabled by default. See CVE for more information and this KB article for applicable registry key settings. Customers who want to obtain all available protections against these vulnerabilities must make registry key changes to enable these mitigations that are disabled by default.
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Oct 28, · Microsoft Windows Server Download. Microsoft Announced and released Windows Server The product is available through MSDN, and also available for download as days trial. Already during the MS Ignite, Microsoft has announced the release is imminent and it was finally released as eval, the October 1st. Register, then download and install. Windows Server Evaluation editions expire in days. Receive email with resources to guide you through your evaluation. Installation Guidelines. After installation make sure to install the latest servicing package. Go to: Microsoft update catalog and search for “Windows Server ”. Jan 14, · CryptoAPI spoofing vulnerability – CVE This vulnerability affects all machines running or bit Windows 10 operating systems, including Windows Server versions and This vulnerability allows Elliptic Curve Cryptography (ECC) certificate validation to bypass the trust store, enabling unwanted or malicious software to.
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Print the checklist and check off each item you complete to ensure that you cover the critical steps for securing your server. The ISO uses this checklist during risk assessments as part of the process to verify server security. Step – The step number in the procedure. If there is a UT Note for this step, the note number corresponds to the step number.
The CIS document outlines in much greater detail how to complete each step. UT Note – The UT Note at the bottom of the page provides additional detail about the step for the university computing environment. Confidential – For systems that include Confidential data , required steps are denoted with the!
All steps are recommended. Other – For systems that include Controlled or Published data , all steps are recommended, and some are required denoted by the! Min Std – This column links to the specific requirement for the university in the Minimum Security Standards for Systems document.
It includes updates for additional Microsoft products, just like Microsoft Update, and provides additional administrative control for software deployment. Microsoft Baseline Security Analyzer This is a free host-based application that is available to download from Microsoft.
In addition to detailing missing patches, this tool also performs checks on basic security settings and provides information on remediating any issues found. Upguard This is a compliance management tool that ensures basic patching and compliance is being consistently managed this product is fairly inexpensive and can integrated with Splunk.
Configuring the minimum password length settings is important only if another method of ensuring compliance with university password standards is not in place. The Information Resources Use and Security Policy requires passwords be a minimum of 8 characters in length. It is strongly recommended that passwords be at least 14 characters in length which is also the recommendation of CIS. If this option is enabled, the system will store passwords using a weak form of encryption that is susceptible to compromise.
This configuration is disabled by default. For further password protections: 1. Update Active Directory functional level to R2 or higher. Implement MS KBs and Instead of the CIS recommended values, the account lockout policy should be configured as follows:. Any account with this role is permitted to log in to the console. By default, this includes users in the Administrators, Users, and Backup Operators groups. It’s unlikely that non-administrative users require this level of access and, in cases where the server is not physically secured, granting this right may facilitate a compromise of the device.
The text of the university’s official warning banner can be found on the ISO Web site. You may add localized information to the banner as long as the university banner is included.
Logon information for domain accounts can be cached locally to allow users who have previously authenticated to do so again even if a domain controller cannot be contacted. By default 10 accounts will be cached locally, but there is a risk that in the event of a compromise an attacker could locate the cached credentials and use a brute force attack to discover the passwords. Therefore, it is recommended that this value be reduced so that fewer credentials will be placed at risk, and credentials will be cached for shorter periods of time in the case of devices that are logged into frequently by multiple users.
The Account Logon audit policy logs the results of validation tests of credentials submitted for user account logon requests. The server that is authoritative for the credentials must have this audit policy enabled. For domain member machines, this policy will only log events for local user accounts. The university requires the following event log settings instead of those recommended by the CIS Benchmark:.
The recommended retention method for all logs is: Retain events for at least 14 days. These are minimum requirements. The most important log here is the security log. The further your logs go back, the easier it will be to respond in the event of a breach. In rare cases, a breach may go on for months before detection.
You may increase the number of days that you keep, or you may set the log files to not overwrite events. Note that if the event log reaches its maximum size and no events older than the number of days you specified exist to be deleted, or if you have disabled overwriting of events, no new events will be logged. This may happen deliberately as an attempt by an attacker to cover his tracks. For critical services working with Confidential or other sensitive data, use Syslog, Splunk , Intrust, or a similar service to ship logs to another device.
Splunk licenses are available through ITS at no charge. ITS also maintains a centrally-managed Splunk service that may be leveraged. If using Splunk: Ensure all key systems and services are logging to Splunk and that verbosity is appropriately set. Some remote administration tools, such as Microsoft Systems Management Server, require remote registry access to managed devices. Disabling remote registry access may cause such services to fail.
If remote registry access is not required, it is recommended that the remote registry service be stopped and disabled. If remote registry access is required, the remotely accessible registry paths should still be configured to be as restrictive as possible.
The group policy object below controls which registry paths are available remotely:. Further restrictions on the registry paths and subpaths that are remotely accessible can be configured with the group policy object:. Anti-spyware software is only required to be installed if the server is used to browse Web sites not specifically related to the administration of the server, which is not recommended. ITS provides anti-spyware software for no additional charge.
At a minimum, SpyBot Search and Destroy should be installed. An additional measure that can be taken is to install Firefox with the NoScript and uBlock add-ons.
Spyware Blaster – Enabling auto-update functionality requires the purchase of an additional subscription. SpyBot Search and Destroy – Automatic update tasks can be created inside the program itself and are scheduled using the Windows Task Scheduler. In the Scheduled Task window that pops up, enter the following In the Run field:. Windows provides the Encrypting File System as a built-in mechanism to allow the encryption of individual users’ files and folders.
Be aware of the caveats involved in the use of EFS before implementing it for general use, though. Another encryption option to consider is whole-disk encryption, which encrypts the entire contents of the drive instead of just specific files and folders. Windows comes with BitLocker for this. If encryption is being used in conjunction with Confidential data, one of the solutions listed in the Approved Encryption Methods EID required must be implemented.
Windows has a feature called Windows Resource Protection which automatically checks certain key files and replaces them if they become corrupted. It is enabled by default. You can audit in much more in depth using Tripwire; consider this for your highest-risk systems.
Modern versions of Tripwire require the purchase of licenses in order to use it. The Tripwire management console can be very helpful for managing more complex installations.
Configure log shipping e. Configure all Linux elements according to the Linux Hardening Guide , keeping in mind that some elements will require Windows tools like Windows Firewall vs.
Configure user rights to be as secure as possible: Follow the Principle of Least Privilege. Provide secure storage for Confidential category-I Data as required. Security can be provided by means such as, but not limited to, encryption, access controls, filesystem audits, physically securing the storage media, or any combination thereof as deemed appropriate. Configure a screen-saver to lock the console’s screen automatically if the host is left unattended. There are several methods available to assist you in applying patches in a timely fashion: Microsoft Update Service Microsoft Update checks your machine to identify missing patches and allows you to download and install them.
This is different than the “Windows Update” that is the default on Windows. This service is compatible with Internet Explorer only. Configure Automatic Updates from the Automatic Updates control panel On most servers, you should choose either “Download updates for me, but let me choose when to install them,” or “Notify me but don’t automatically download or install them.
Configuring the password complexity setting is important only if another method of ensuring compliance with university password standards is not in place. The Information Resources Use and Security Policy requires that passwords contain letters, numbers, and special characters.
Instead of the CIS recommended values, the account lockout policy should be configured as follows: Account lockout duration — 5 minutes Account lockout threshold — 5 failed attempts Reset account lockout counter — 5 minutes. It is highly recommended that logs are shipped from any Confidential cdevices to a service like Splunk , which provides log aggregation, processing, and real-time monitoring of events among many other things. This helps to ensure that logs are preserved and unaltered in the event of a compromise, in addition to allowing proactive log analysis of multiple devices.
Configure user rights to be as secure as possible, following the recommendations in section 2. Ensure scheduled tasks are run with a dedicated Service account and not a Domain Administrator account. For systems the present the highest risk, complete PAWS implementation and ensure system logs are routed to Splunk.
Microsoft has provided instructions on how to perform the conversion. Be extremely careful, as setting incorrect permissions on system files and folders can render a system unusable. Be extremely careful, as setting incorrect permissions on registry entries can render a system unusable.
By default, domain members synchronize their time with domain controllers using Microsoft’s Windows Time Service.