CVE-2021-26858 Archives - Unit 42

Protect Against Russia-Ukraine Cyber Activity

A conceptual image representing espionage, such as the attempted (but unsuccessful) credential harvesting discussed here.

3,150

people reacted

攻撃者によるMicrosoft Exchange Serverの脆弱性悪用で Cortex XDRが認証情報の収集を防止

By Robert Falcone
4月 15, 2021 at 6:00 AM

34

2 min. read

Conceptual image symbolizing the adversarial relationship between security professionals and threat actors such as Hafnium, whose attacks involving the China Chopper webshell are discussed here

4,188

people reacted

China Chopper Webシェルを使用したMicrosoft Exchange Serverに対する攻撃の分析

By Jeff White
3月 11, 2021 at 12:57 AM

2

4 min. read

An image representing the concept of tutorials, such as the steps laid out here for remediating the Microsoft Exchange Server vulnerabilities

2,963

people reacted

Microsoft Exchange Serverの脆弱性の修復手順

By Unit 42
3月 9, 2021 at 6:33 PM

8

< 1 min. read

Conceptual image representing vulnerabilities, such as the four zero-day Microsoft Exchange Server vulnerabilities discussed in this post.

5,670

people reacted

脅威の評価: Microsoft Exchange Serverにおける4つのゼロデイ脆弱性の悪用が活発化

By Unit 42
3月 3, 2021 at 8:18 PM

36

2 min. read