Cisco Umbrella | Leader in Cloud Cybersecurity and SASE Solutions. Source: about 1 year ago

A combination of subscription ip blocklists like that sold by MaxMind combined with DNS and application filtering services like Umbrella would catch most services. For good measure I'd toss in local .exe application whitelisting running on each of the schools machines to only allow the applications the school wants using something like applocker which is included in windows so it probably fits into their budget. Source: over 1 year ago

We've been very happy with Cisco's Umbrella product. A few years back I "test drove" the free version, but thats a very poor substitute for the paid product. It's not cheap, but it has worked very well for us. Over 70% of our users are remote since the start of COVID, so we opted for the "roaming client" installation on every endpoint. We have a "basic" network profile for our office locations that slightly... Source: over 1 year ago

Transform OSINT sources such as shodan, bgpview & urlscan into templates which you can use to query & store any and each of the API endpoints they provide. Source: 11 months ago

I'm a little surprised you're asking this but as you don't know - if you set the rulebase correctly, you won't get hammered by "public". A lot of people (of course not people here) don't do that which is why shodan.io is full of servers with SSH exposed to the world. Source: 11 months ago

Eh, request a full demo before signing anything. If they make you buy before you can try, move on. Just be advised that data they collect from your site may be used in a database that puts a target on your back. Similar to how shodan.io works. I would probe them on how they handle customer data and if data is shared, partitioned, or isolated to ensure safety from a platform leak. They want to be a security... Source: 12 months ago

My network is being hit by China and Russia many times per hour. Make sure your firewall is up-to-date and not have any services available on the Internet (WAN). Look at shodan.io which shows you _everything_ is searched on the Internet. Source: 12 months ago

In the cases of nginx or apache, I suspect they may be acting as proxies to some backend that also chooses not to send a reason phrase back. Searching for "Reason Phrase" yields a number of bug reports/frameworks that may omit it, and shodan.io shows apache tomcat and a few other services/software that omit the code as well. Source: about 1 year ago