ZeroDay USA/ Get the app
ZeroDay
by ZeroDay USA · Web app for iPhone, Android and desktop
Live threat level, service outages, cyber alerts and global events in one place.
No account neededOpt-in push alertsOfficial public sources
Free during testingPreview build
Get ZeroDay
Opens the app in your browser. Add it to your Home Screen to get the app icon and notifications.
Scan with your phone camera
Opens ZeroDay in your browser, ready to add to your Home Screen.
zerodayusa.com/live-alerts
What's inside
- Threat score meterOne 0–100 reading built from CISA known-exploited vulnerabilities, NVD critical CVEs, CISA advisories and the Caldara–Iacoviello Geopolitical Risk (GPR) index. Each part is shown.
- Service outage boardStatus for 26 major services, including AWS, Google Cloud, Azure, Cloudflare, Microsoft 365, Slack, Zoom, GitHub, OpenAI, Stripe and PayPal, read from their official status pages.
- Cyber alert feedCISA known-exploited vulnerabilities, CISA and ICS advisories, and NVD critical CVEs, each with a short plain-language summary.
- Weather and earthquake alertsOptional National Weather Service and U.S. Geological Survey alerts. Turn them on in Settings.
- Push notificationsOpt in to get a notice when a new High alert appears. Choose a severity level and quiet hours.
- No sign-upNothing to create or log in to. Open it and it works.
Screens
Threat score
Alert feed
How to install
iPhone (Safari)
- Scan the code or tap Get ZeroDay to open it in Safari.
- Tap Share, then Add to Home Screen.
- Open ZeroDay from your Home Screen.
- Go to Settings in the app, turn on alerts, and tap Allow.
Android (Chrome)
- Scan the code or tap Get ZeroDay to open it in Chrome.
- Tap Install app (or the ⋮ menu, then Install app).
- Open ZeroDay from your apps.
- Go to Settings in the app, turn on alerts, and tap Allow.
iPhone notifications need iOS 16.4 or later and work only after the app is added to the Home Screen.