[HamWAN PSDR] We need to design secure control access
Bart Kus
me at bartk.us
Wed Feb 8 04:08:56 PST 2023
Your background sounds like you'd make meaningful contributions, so I'd
encourage you to consider participating in read-write mode, not just
read-only.
We got hit by this a few days ago on several HVs:
https://www.bleepingcomputer.com/news/security/massive-esxiargs-ransomware-attack-targets-vmware-esxi-servers-worldwide/
I'll avoid getting into the technical weeds question, to keep this
thread focused on working group formation.
--Bart
On 2/8/2023 3:55 AM, Jamie Owens wrote:
> What\when was the most recent beach?
>
> The hypervisors are accessible publicly? Why no VPN/VPC.
>
> I've been in admin/networking/devops world since 2000 and currently
> attending to get my BS in CIS/Cyber Security... so if nothing more,
> I'd like to tag along and learn more from this real world scenario
> from I'm sure way more experienced users.
>
> On Wed, Feb 8, 2023, 3:34 AM Bart Kus <me at bartk.us> wrote:
>
> All of the network's control points are on public non-firewalled IPs.
> This is the worst security. It was done this way for the sake of
> simplicity. Our netops volunteers had to get up to speed with
> unfamiliar concepts like routing, funky netmasks, dynamic routing
> protocols, policy routing, VRRP, firewalls, MTUs, MSS control, IPsec,
> etc. We reaped the rewards of KISS from broader volunteer
> engagement,
> but lately we've been paying too heavy of a price for the awful
> security
> this simplicity creates. In the most recent breach we've lost
> important
> source code that will now need to be re-created. We escaped total
> disaster by the thinnest of margins, as one critical hypervisor just
> happened to be patched to 1 version higher than exploitable. This
> simplicity is not a good tradeoff anymore, so the time has come to
> introduce more complexity to the network to protect all control
> points.
>
> This is not a simple problem, since there are many fragility vs
> security
> tradeoffs, as well as complexity cost concerns. If you have
> experience
> or thoughts around this area, and can commit to a few weeks of design
> and implementation work on this project, please indicate your
> interest.
> We'll assemble a small working group in the next few days and start
> discussions. I expect the working format will involve some virtual
> meetings, since email is not high bandwidth enough to hash out
> everything quickly.
>
> Here's hoping we don't make it worse,
>
> --Bart
>
> _______________________________________________
> PSDR mailing list
> PSDR at hamwan.org
> http://mail.hamwan.net/mailman/listinfo/psdr
>
>
> _______________________________________________
> PSDR mailing list
> PSDR at hamwan.org
> http://mail.hamwan.net/mailman/listinfo/psdr
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.hamwan.net/pipermail/psdr/attachments/20230208/abc19e9e/attachment.html>
More information about the PSDR
mailing list