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Calculating the Value of Security
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Ajfreeland
50%
50%
Ajfreeland,
User Rank: Apprentice
8/1/2019 | 4:37:02 PM
Shockingly high percentage of companies!
90% is an alarmingly high percentage of companies not prioritizing IT security. Many make the push to the cloud with AWS but ignore the importance of data security. TLS 1.3 is a great move for data encryption in the cloud but comes with the downside of visibility loss. Nubeva has a new method for out of band decrypted visibility for TLS 1.3. It's called Symmetric Key Intercept. Check it out on our website!
tdsan
50%
50%
tdsan,
User Rank: Ninja
7/19/2019 | 7:12:15 PM
Interesting comments
I love the title, I don't think you can put a value on security and one's reputation. However, there are a few things that stood out in the message.
  • 1. Acknowledge how accessible their data is. - the first thing you said is the lack of knowledge, someone from Accenture, Attunity and other organizations have allowed certain individuals who have not been properly trained to configure S3 buckets. For one, there is a setting that says "Block public access". So they had to uncheck the boxes in order to give the public access. From a training standpoint, this should have been the first thing that should have come up. It would not have mattered if it was onsite or offsite, this was an oversight by the entire organization (no one from the security team, audit, IT, Engineering addressed this issue).
  • S3 configuration
  • 2. Recognize outsourcing isn't the answer. - the same explanation applies, the cloud is only as good as the person driving it. They can't think of everything, that is where training and consulting will prove to be beneficial and provide guidance in helping the organization in making the right decisions, there is a solution AWS provides where it runs security checks against your environment, this would have been useful in their design, this could have mitigated this issue.
  • 3. Match the value of their data with equivalent resources. - I agree with this sentiment, this was discussed in the earlier sections, but we are on the same page
  • 4. Assess the level of risk within their IT estate. - Yes, this can be done with tools from IT NMS tools (i.e. Solarwinds, HPE Openview, OpenManage, but there is another way as well, I can go into the router and extract the MAC addresses, then I can download the MAC addresses lookup values (1st six digits) and determine what type of device sits on the network (this would have helped NASA identify the Raspberry PI on their network
  • 5Migrate to Windows 10 - Ok, if the organization is a windows shop, then yes. But I would look into other solutions like Cinnamon, Lubuntu, Suse, Ubuntu, Core-OS or others. The systems can be managed using tools from HPE ALG. They provide more security tools that are inherent like:
    • IPTables/UFW - elaborate firewall rules "iptables -I INPUT 1 -p tcp -m multiport --dport 22,80,443 -m conntrack --ctstate NEW -j ACCEPT
    • SELinux - policies to address accessibility - semange fcontext -a -t "default_t" "/home/<user>(/.*)?" or "chcon -Rv --type='default_t' /home/<user>" | "restorecon -Rv /home/<user>"
    • RKHunter/Chkrootkit - Rootkit analysis - rkhunter -c
    • Fail2Ban - IPS/IDS
    • Webmin - Online Management tool, gives admins the ability to monitor and check individuals machines from a web interface, Fedora does the same thing port 9000, also with packages from OAuth and Moo, the system provides MFA/2FA using Amazon, F5 or Google
    • SIEM - easy to integrate existing systems and monitor log information "tail -f /var/log/audit/audit.log" | setenforce 1
    • Tie Linux system to AD (slapd) and run "crontab -e | 0 1 * * * yum update > /home/<user>/desktop/update.txt"
  • 6. Solve patching and bandwidth issues. - Patching is one thing, but addresses an inherent security risk that has not been patched is another (i.e. telnet running, open RDP, GPOs not pushed to the desktop properly and backup and imaging process has not been established. There are tools that can restore entire systems (desktops/laptops) within minutes using tools found on the web instead of hours.

You have made some valid points, I do think we have to continue to do the work and stay vigilant.

Todd


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