What Changed—and Why It Matters
Cloudflare spent a full week talking about AI. At almost the same time, a network pinch between Cloudflare and a major cloud region led to latency and packet loss for many sites. Those two moments, side by side, send a clear signal. We need speed. We need safety. We need real resilience. In other words, we must protect our data from shadow AI while we also harden our hosting paths end to end.
Let’s start with the AI side. “Shadow AI” is simple to understand. It is when teams use AI tools without guardrails. They paste code, client lists, or drafts into a chatbot or a plugin. They do it to move faster. But they may not know where that data goes. They may not know who can see it. They may not know how long it is kept. This is not about blame. It is about risk. We can’t secure what we can’t see.
Cloudflare’s zero-trust updates aim at this exact problem. Think of them as a seat belt for AI. You keep the speed. You keep the lift. But you stop the ejection. You can set rules for which AI tools are allowed. You can pin those tools to known tenants. You can filter prompts and block secret patterns before they leave your network. You can stop uploads of source code, keys, or PII at the edge. You can log who did what, when, and where. After more than a few months of AI chaos in many orgs, this is the calm we needed.
There is also a push to make tools talk in a safer way. A new integration path—built around a “model context” flow—lets AI agents call your internal tools without handing out raw secrets. In plain words, you can let an assistant fetch a doc or run a query through a narrow gate. The keys stay hidden. The scope stays small. The logs stay clear. Instead of wide-open access, you get least-privilege access. That is how we move from “no” to “yes, but safely.”
Now the outage. A congestion event between a large CDN and a huge cloud region in us-east-1 slowed or broke traffic for many sites. This was not a full blackout. But it felt rough. Pages hung. APIs lagged. Packets dropped. The incident arrived days before AI Week. That timing stung. Yet it also helped. It reminded us that the internet is a system of systems. Links and peering lanes matter. Buffers and capacity matter. Redundancy matters most of all.
So what do we do with both lessons at once? We turn them into a plan. We lock down exfiltration from AI tools. We add policy and coaching where blocks make sense, and guidance where trust and learning help more. At the same time, we revisit our resilience stack. We spread risk across regions. We add health checks that are honest and fast. We add failover that actually fails over. And when the value is there, we use more than one CDN. Not because it is trendy. Because it cuts real risk for real traffic.
Let’s turn that into steps you can use today.
Lock Down Data and Tame Shadow AI (Without Killing Speed)
Our goal is not to ban AI. Our goal is to use it with care. You get the lift. You keep control. Here is a clear, short playbook that works for small teams and big shops.
See the traffic first.
Turn on discovery across three layers: DNS lookups, outbound web traffic, and file uploads. You want to know which AI apps and plugins appear on your network. Capture domains and subdomains tied to common models, chatbot UIs, vector stores, and file converters. Shadow AI hides in small tools, not just the big names. A simple weekly report makes the fog lift.
Label risk by data type.
Not all prompts are equal. Classify three buckets:
- Green: public or harmless (marketing taglines, mock data).
- Amber: work product with low sensitivity (draft docs, non-secret code).
- Red: secrets and regulated data (credentials, PII, PHI, client lists, unreleased designs).
Map each bucket to an easy rule. Green: allow. Amber: allow with warning and watermark. Red: block or require a safe, vetted route.
Set tenant and egress controls.
Allow only your sanctioned AI tenants and API endpoints. Block wildcards. This stops quiet leaks to look-alike domains and copycat services. Use TLS inspection where policy and law permit. Do not rely on IP lists alone. AI providers shift capacity across many IP ranges and regions. Domain and path rules hold up better over time.
Filter prompts and files at the edge.
Add DLP patterns for the basics: API keys, private keys, access tokens, driver’s license numbers, card numbers, and common secret formats like .pem headers or .env keys. For code, look for package files, lock files, and stack traces that often carry secrets in comments. For docs, scan for customer names, project codenames, and memo markers. When a match fires, block, coach, or route to a safer tool.
Coach the moment, not the month.
Blocks alone create workarounds. Instead, add in-line tips when a rule fires. “It looks like you tried to send a key. Use the secure vault note instead.” Or, “This file type is not allowed in that tool. Try the approved one on our AI hub.” People learn best in the moment. Short nudges win.
Give a safe, fast path for real work.
Stand up an approved AI workspace for daily tasks. Keep it easy to reach. Integrate it with your identity. Give it the right connectors with narrow scopes. Add a private vector store for your docs with clear retention. Set a simple rule: if it is work data, use the hub. If it is play, use your personal account on your own time and network. Candid, kind, clear.
Harden agent access with least privilege.
When agents call internal tools, wrap every call with policy. What tool? What method? What data class? What token? What log? Set small scopes. Add human-in-the-loop for high-risk actions like sending email on your behalf or touching production. If an agent needs broader reach, make that a ticket, not a silent change.
Keep real logs and short retention.
Log who accessed which AI tool, with which data class, and what the result was. Keep the logs for long enough to investigate, but not forever. Default to shorter retention for prompts and outputs. Mark anything red-class as “no training” by default when the vendor offers that switch.
Train with stories, not fear.
Run a 20-minute learning session each month. Show one real near-miss (sanitized). Show the rule that would have caught it. Show the safe way to do the same task. Keep it friendly. Celebrate good catches. We are all learning this together.
Write a one-page policy.
Skip the legal novel. One page. What is allowed, what is blocked, and who to ask. Add a simple list of “never share” examples. Add a simple list of approved tools. Put the link on your browser start page. Update it monthly. That’s enough.
Measure the win.
Track three numbers: blocked red-class attempts, coached saves, and time-to-approve new use cases. We want more saves, fewer red-class attempts, and fast approvals for good ideas. That is how we support speed and safety at once.
In short: shine a light, set simple rules, provide a safe lane, and teach in the flow of work. You will cut risk without slowing people down.
Build Real Resilience: DNS, Multi-Region, and (Sometimes) Multi-CDN
The outage reminded us that one path is never enough. A single choke point can stall your whole day. Resilience is not a slogan. It is a design choice. It is also a budget choice. We build what we are willing to pay for and maintain. Here is a clear, layered plan.
Layer 1: Origin resilience (where your app lives).
- Use at least two regions or zones for your origin. Active-active is ideal. Active-passive is a start.
- Keep data in sync with your RPO in mind. If you can lose five minutes of writes, design for that. If you cannot lose any, design for that. Be honest.
- Add health checks that measure real user paths. Do not just ping “/healthz.” Hit “/login” or “/search” with a synthetic user.
- Automate failover with short, safe TTLs. Fail back with care after you confirm health.
- Store session state where the edge can survive an origin swap (stateless tokens, shared session stores, or sticky-free flows).
- Cache well at the CDN or edge to ride out short origin flaps. Turn on stale-while-revalidate or serve-stale-on-error for key routes.
Layer 2: DNS and traffic steering (how users find you).
- Use a DNS provider with fast, global anycast and proven health-based steering.
- Keep TTLs low enough to move in minutes, not hours, but not so low that resolvers ignore you.
- Set regional steering when you can. Send EU users to EU. Send U.S. users to U.S. Respect data rules and latency alike.
- Pre-stage disaster records and failover pools. Do not be crafting JSON during an incident.
- Monitor DNS from many networks. Corporate lines lie. Public probes tell the truth.
Layer 3: Edge and CDN posture (how you absorb spikes and distance).
- Turn on tiered caching, origin shielding, and request collapsing to reduce origin load.
- Set sane rate limits for hot paths and admin paths. A fair 429 can save your day.
- Cache APIs where possible with signed tokens and short TTLs. Even a few seconds helps.
- Use compute at the edge for lightweight logic when it reduces origin calls.
- Watch cache hit ratio, origin fetches, and error codes like a hawk. These are your canaries.
Layer 4: Multi-CDN (when the math says yes).
Multi-CDN is not a badge. It is a tool. It adds cost and complexity. But when you run a revenue site, a high-traffic content platform, or a global SaaS with strict SLOs, it can be worth it.
- When it helps: you need regional diversity, you face strict uptime targets, or you cannot tolerate edge-side degradation during peering incidents.
- What you need: a smart traffic director that can shift by region or ASN, unified logs, unified WAF rules, and a clear cache key strategy that works across vendors.
- How to start: pilot with 90/10 traffic split, then 70/30, then 50/50. Compare TTFB, errors, cache hits, and cost per GB.
- What to watch: peering health into your cloud regions, not just CDN POP health. A perfect edge means little if the interconnect to your origin is congested.
- How to fail over: have pre-baked routing plans you can switch in one click. Document who decides. Document how you roll back.
- Where it goes wrong: mismatched TLS settings, different header handling, stale content bouncing between caches, and two WAFs that disagree. Keep configs as close as you can. Test monthly.
Peering and capacity matter.
Incidents like the one we just saw often live between clouds and CDNs. This is the internet’s circulatory system. You cannot control every link. But you can watch the signs. Track packet loss by path. Track retransmits. Track TTFB spread by region and ASN. A sudden jump points to a routing issue, not your code. Share this view with your provider. Ask about their capacity and their fallback routes. In other words, make peering part of your runbook, not a mystery.
Runbooks, not heroics.
Write short, plain runbooks for each failure mode: origin down in one region, CDN path degraded, DNS steering broken, auth provider down, database hot shard. Keep each to one page. Include who to page, what to flip, and how to verify. Test them quarterly. Use game days. Celebrate clean drills. After more than a few practice runs, real incidents feel smaller.
Budget with eyes open.
Resilience costs money. That is normal. Use a simple model: expected downtime × business cost per hour versus the annual spend to cut that downtime in half (or better). If the math is on your side, go for it. If not, accept the risk and document why. You cannot buy everything. You can choose well.
Measure what matters.
- SLOs: availability, latency, error rate per critical path.
- Time to detect (TTD) and time to mitigate (TTM).
- Cache hit ratio and origin offload.
- Health check accuracy: synthetic checks that match user reality.
- Drill success rate: did the playbook work? Did we learn?
Publish a short weekly report. Keep the trend lines visible to product and finance. Shared truth drives better choices.
Security at the edge, always.
A shaky day is a good day for attackers. Keep WAF, bot defense, and API shields on and tuned. Use mTLS or signed requests between edge and origin. Lock origin to your CDN IP ranges or tunnels. Rotate tokens and keys. Good hygiene makes outages smaller and keeps the blast radius tight.
People and pace.
Resilience is a team sport. Keep your on-call rotation healthy. Use short shifts. Train backups. Add notes to tickets in simple, kind language. We are humans on the other end of the pager. Calm beats clever when the clock is ticking.
A One-Page, Do-Now Checklist (Copy, Paste, Ship)
Use this as your Monday hour. It is short on purpose. It will move the needle.
Shadow AI and data controls
- Turn on discovery for AI domains, plugins, and uploads.
- Approve a small set of AI tools and pin to known tenants.
- Block red-class data patterns at egress: keys, PII, secrets.
- Stand up an internal AI hub with least-privilege connectors.
- Add in-line coaching for blocked prompts and files.
- Log access with short retention and monthly review.
- Post a one-page policy and keep it current.
Origin and DNS
- Add a second region (even passive) for your app.
- Point health checks at real user paths.
- Lower DNS TTLs to sane, safe values.
- Pre-stage failover pools and records.
- Turn on serve-stale-on-error for key routes.
Edge posture
- Enable tiered caching and origin shielding.
- Add request collapsing for hot assets.
- Set rate limits on auth, search, and admin paths.
- Cache short-TTL API responses when safe.
- Lock origin to CDN ranges or tunnels.
Multi-CDN (if justified)
- Pilot with small traffic splits and measure.
- Normalize TLS and headers across vendors.
- Prepare one-click routing plans by region.
- Unify WAF rules and logging.
- Schedule monthly failover drills.
Peering and observability
- Track TTFB, loss, and retransmits by ASN and region.
- Share trends with your providers. Ask about capacity.
- Add dashboards for health checks and RUM.
- Set alerts on spread, not just averages.
People and process
- Write one-page runbooks for five top failures.
- Do a 30-minute game day each quarter.
- Keep on-call humane. Rotate. Debrief. Improve.
- Celebrate boring outages. Boring is good.
Cost sanity
- Model downtime cost vs. resilience spend.
- Document trade-offs you decline, and why.
- Review contracts for burst, egress, and support terms.
That is it. One page. Big gains.
We are living in a split moment. On one side, AI is pulling us forward. It makes our teams faster. It helps us draft, plan, test, and build. On the other side, the network reminds us that physics and peering still rule. A single tight link can slow millions of people at once. The answer is not to pick one side. The answer is to fuse both. Safer prompts. Stronger pipes.
Shadow AI is real. But it is not a monster we cannot face. We see it. We set rules. We provide a better path. People will use that path if it is simple, fast, and fair. Outages are real. But they are not a fate we cannot shape. We design for loss. We steer around the storm. We practice. We learn. We get a little better each week.
You do not need to do everything today. You only need to take the next clear step. Turn on discovery. Add one region. Lower one TTL. Write one runbook. Pilot one split. Teach one lesson. Small moves stack. After more than a month, the shape of your system changes. After more than a quarter, your team feels the calm. That is the point.
We can have both speed and safety. We can have both time-to-first-byte and time-to-first-value. We just need to choose with care, build with clarity, and keep our eyes on the dials that matter.