By default, SSH uses port 22. Changing the default port number is an easy way to reduce the chances of hackers attacking your server. Therefore, the best practice for SSH is to use a random port number between 1024 and 32,767.
Secure your web administration areas and forms with Secure Socket Layer (SSL) that guards information passed between two systems via the internet. SSL can be used both in server-client and server-server communication.
Teamspeak 3 Server Admin Hack
Since the root user has the most power, hackers focus their attention on trying to crack the root password. When you disable this user entirely, you put attackers at a disadvantage and protect the server from potential threats.
Regularly updating the software on a server is crucial in keeping it safe from hackers. Outdated software has already been explored for its weak points, leaving it open for hackers to take advantage and harm your system.
Also, it is a good idea to hide the version numbers of any software installed on the server. The version indicator often reveals the exact release date which aids hackers when searching for weaknesses.
Independent database servers secure sensitive information and system files from hackers that manage to gain access to administrative accounts. Also, isolation lets system administrators separately configure the web application security and minimize the attack surface.
When doing so, all the machines get the same password, which is usually ignored or forgotten. A few other organizations follow the practice of assigning identical passwords that follow a set pattern. When one password is known, it is not tough to guess other passwords. All that hackers need is just one local admin password.
Windows caches the passwords as hashes to facilitate single sign-on. If an attacker gains access to a system (say, through a social engineering attack), all that is needed is to pass the hashes. The attacker need not even try to get the password in plain-text. Hash dump tools like Mimikatz will get them the hashes. Just the hash is enough for successful authentication. If the hacker could get the hash of one local admin account, lateral movement becomes easy as most of the devices are assigned with the same password.
The all-powerful local admin access allows hackers to bypass critical security settings, delete system logs, impersonate other logged-on accounts, run exploit code or tools, and eventually gain access to sensitive data. If the system runs applications with system privileges (typically scheduled tasks running applications and processes), attackers could simply attach malicious software to the existing applications and run them silently. Not just external hackers, even an internal user with malicious intent could try to attack if your organization password policies are weak or not appropriately managed.
It is evident that local admin accounts carry significant security risks, and improper management could lead to disastrous situations. In sophisticated attacks, hackers dwell undetected for a prolonged time.
Uber suffered a cyberattack Thursday afternoon with an allegedly 18-year-old hacker downloading HackerOne vulnerability reports and sharing screenshots of the company's internal systems, email dashboard, and Slack server.
Other systems accessed by the hacker include the company's Amazon Web Services console, VMware vSphere/ESXi virtual machines, and the Google Workspace admin dashboard for managing the Uber email accounts.
The threat actor also breached the Uber Slack server, which he used to post messages to employees stating that the company was hacked. However, screenshots from Uber's slack indicate that these announcements were first met with memes and jokes as employees had not realized an actual cyberattack was taking place.
As part of these scans, the hacker says they found a PowerShell script containing admin credentials for the company's Thycotic privileged access management (PAM) platform, which was used to access the login secrets for the company's other internal services.
Most organizations use FTP or SFTP servers to exchange files and other critical business documents with their trading partners. Unfortunately, these servers have become a primary target for hackers, putting your FTP or SFTP server at risk of a costly data breach. Bob Luebbe, Chief Architect for GoAnywhere MFT (formerly of Linoma Software and now Fortra) hosted a webinar to help you ensure your FTP or SFTP server is secure and compliant. He was joined by Steve Luebbe, Director of Engineering, and Dan Freeman, Senior Solutions Consultant.
This just hit us this morning too. 9/15/2021. No one can print to the network printers. I removed KB5005613 from our server and rebooted the server and that fixed it. Had to do that at all 8 of our branch offices too. Microsoft updates seem to be more like hackers. Not professional. 2ff7e9595c
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