نحن نعيش اليوم واقعاً رقمياً لم يسبق له مثيل. لقد ولى الزمن الذي كانت فيه حماية قواعد بيانات أوراكل تقتصر على إعدادات جدار الحماية ، وتطبيق التحديثات الربع سنوية بشكل روتيني، والامتثال الشكلي للمعايير. في ظل التحولات الجيوسياسية المتسارعة التي تشهدها منطقة الشرق الأوسط والعالم، لم تعد الهجمات السيبرانية مجرد احتمالات تقنية أو محاولات فردية … Continue reading الدليل الشامل لحماية قواعد بيانات أوراكل في عصر الحروب السيبرانية
Patching Oracle Linux against CVE-2023-48795 Vulnerability on Air-Gapped Servers
We’ve all been there. That email from the security team lands in your inbox, or a routine scan flags a new, critical vulnerability. This time, it’s CVE-2023-48795, also known as the "SSH Terrapin Prefix Truncation Weakness." It sounds intimidating, and the thought of a man-in-the-middle attack. For many, the fix is straightforward. But what if … Continue reading Patching Oracle Linux against CVE-2023-48795 Vulnerability on Air-Gapped Servers
How to change the hostname for an OCI Compute Instance
Following are the steps that I followed to change the hostname of one OCI Compute Instance for one of my clients. Note that the operating system for this instance is Oracle Linux: 1. Use the hostnamectl utility to change the hostname hostnamectl set-hostname new_hostname 2. Update the /etc/hosts file with the new name [root@infodqmdm001 ~]# … Continue reading How to change the hostname for an OCI Compute Instance
OCI Compute Instance Hostname keeps changing after reboot
I created an OCI compute Linux Instance with hostname = hostname_1. After a while, and based on the client request, I changed the above virtual machine hostname to be hostname_2.Client used this machine for a while, and then reboot it for some reason, but surprisingly, he found that the compute Instance hostname changed back to … Continue reading OCI Compute Instance Hostname keeps changing after reboot
Secure your Database using Data Safe
Oracle Database Security Assessment Sample Report
Highly Confidential Assessment Date & Time Date of Data CollectionDate of ReportReporter VersionSun Apr 25 2021 00:12:00Sun Apr 25 2021 00:22:012.2.1 (May 2020) - f3a1 Database Identity NameContainer (Type:ID)PlatformDatabase RoleLog ModeCreatedORCLCDBPDB1 (PDB:4)Linux x86 64-bitPRIMARYNOARCHIVELOGMon Jan 13 2020 20:12:00 Summary SectionPassEvaluateAdvisoryLowRiskMediumRiskHighRiskTotalFindingsBasic Information0000011User Accounts70222013Privileges and Roles156100022Authorization Control0020002Fine-Grained Access Control0050005Auditing08500013Encryption0110002Database Configuration92010113Network Configuration0110103Operating System2200105Total33201734279 Basic Information Database Version Oracle … Continue reading Oracle Database Security Assessment Sample Report