November 10, 2026 Newsletter

Who’s behind that IP?

Blocking traffic by country can reduce unwanted connections, but an IP address tells you where traffic comes from, not who controls it. An attacker using infrastructure inside your borders can pass that geographic check. The question is what your network checks next.

Foreign attackers. Hands above a tablet displaying a digital world map with pink network connections linking locations across continents.

Why blocking foreign IP addresses may not keep foreign attackers out

Compromised domestic routers can bypass country restrictions. Review how geographic filtering, proxy addresses and administrative access interact on your network.

Weekly news roundup

Last week in cybersecurity. Focused, fast, scannable.

NetworkTigers cybersecurity news weekly roundup banner for November 9, 2026, featuring a woman using a laptop.

Cybersecurity news weekly roundup November 9, 2026

Last week, attackers exploited Zyxel switches, poisoned cPGuard updates and exposed Chainalysis credentials, while a Beget attack wiped cloud data.

Editor's Pick

Digital illustration of hands holding a glowing globe labeled “open source” against a blue network background.

Top 10 open-source network monitoring tools

Compare discovery, alerting, performance graphs and free-edition features to find the right fit for your switches, routers, servers and distributed networks.

In case you missed it

Network switches with blue Ethernet cables connected to rows of ports.

Shadow infrastructure: When temporary network fixes become permanent risks

Temporary links or hardware allowed to remain in a network create shadow infrastructure that lacks visibility and creates risk.

Strange but true: Cloudflare’s lava lamps are really about failure

Cloudflare’s famous lava lamps do more than generate entropy. They show why resilient systems need backup controls with different failure modes.

8 tips for surviving firmware upgrades on production networks

Firmware upgrades can expose hidden dependencies, hardware faults and rollback limits. Plan for the transition states that put production networks at risk.

The longer a network runs without trouble, the easier it is to trust what’s already there. It’s worth revisiting a few assumptions before the next outage does it for you. Pick one temporary fix, one recovery plan or one trusted connection and check whether it still deserves your confidence.

NetworkTigers helps enterprises reduce infrastructure costs with new and refurbished networking hardware, security appliances, optics, and data center equipment from leading vendors including Cisco Meraki and SonicWall.

Save big on enterprise networking hardware. Talk to us today.

Mike Syiek
President, NetworkTigers Inc.
www.networktigers.com
1029 S. Claremont Street, San Mateo, CA 94402
+1 415.537.6950 x241 Direct
+1 800.430.6950 x241 Freefone
+1 415.378.2851 Cell | Signal | WhatsApp
Email: mike@networktigers.com