# At Least 30,000 U.S. Organizations Newly Hacked Via Holes in Microsoft’s Email Software — Krebs on Security

<https://krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software/>

- Host: [krebsonsecurity.com](https://links.thingelstad.xyz/hosts/krebsonsecurity.com/)
- Saved: March 11, 2021 (2021-03-12T03:40:38Z)
- Record: https://links.thingelstad.xyz/links/7fee7e5b7099/
- JSON: https://links.thingelstad.xyz/links/7fee7e5b7099.json

## What Jamie wrote

This is one of the biggest vulnerabilities to be exploited in recent years, and the impact is big.

> In each incident, the intruders have left behind a “web shell,” an easy-to-use, password-protected hacking tool that can be accessed over the Internet from any browser. The web shell gives the attackers administrative access to the victim’s computer servers.

Krebs' has written extensively on this, including a [basic timeline](https://krebsonsecurity.com/2021/03/a-basic-timeline-of-the-exchange-mass-hack/) and then exploring the [ticking time bomb](https://krebsonsecurity.com/2021/03/warning-the-world-of-a-ticking-time-bomb/) that has been created by this. 😬

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Appears in

- [WT177: Weekly Thing #177 / NFTs, Roblox, HEY World, Exchange](https://weekly.thingelstad.com/archive/177/), Must Read

## Same host

- [Ukraine Nabs Suspect in 773M Password ‘Megabreach’ — Krebs on Security](https://links.thingelstad.xyz/links/4f546d12a523/) (krebsonsecurity.com, May 21, 2020)
- [Who’s Behind Monday’s 14-State 911 Outage? — Krebs on Security](https://links.thingelstad.xyz/links/536ac982ca38/) (krebsonsecurity.com, September 30, 2020)
- [ParkMobile Breach Exposes License Plate Data, Mobile Numbers of 21M Users – Krebs on Security](https://links.thingelstad.xyz/links/828ee7193898/) (krebsonsecurity.com, May 6, 2021)
- [What Happened to Facebook, Instagram, & WhatsApp? – Krebs on Security](https://links.thingelstad.xyz/links/1822bec2d480/) (krebsonsecurity.com, October 7, 2021)
- [The Internet is Held Together With Spit & Baling Wire](https://links.thingelstad.xyz/links/29fc05cd72f4/) (krebsonsecurity.com, November 27, 2021)

## Saved the same week

- [Using Apple Silicon (M1) as a cloud engineer, two months in](https://links.thingelstad.xyz/links/8cf92cff8999/) (blog.earthly.dev, March 11, 2021)
- [Kings of Leon Will Be the First Band to Release an Album as an NFT - Rolling Stone](https://links.thingelstad.xyz/links/b246096ddc7a/) (rollingstone.com, March 11, 2021)
- [HTTPWTF | HTTP Toolkit](https://links.thingelstad.xyz/links/cbd210177742/) (httptoolkit.tech, March 11, 2021)
- [HEY World](https://links.thingelstad.xyz/links/68c99a003b55/) (hey.com, March 11, 2021)
- [How to Delete Your Old Online Accounts (and Why You Should)](https://links.thingelstad.xyz/links/1f0457221e06/) (howtogeek.com, March 11, 2021)

## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software/