searchtwitterarrow rightmail strokearrow leftmail solidfacebooklinkedinplusangle upmagazine plus
Help Net Security - Daily information security news with a focus on enterprise security.
Help Net Security - Daily information security news with a focus on enterprise security.
  • News
  • Features
  • Expert analysis
  • Videos
  • Reviews
  • Events
  • Whitepapers
  • Industry news
  • Product showcase
  • Newsletters

web shell

Get our top stories in your inbox

Microsoft Exchange admins advised to expand antivirus scanning

February 27, 2023

After having stressed the importance of keeping Exchange servers updated last month, Microsoft is advising administrators to widen the scope of antivirus scanning on those …

Two Microsoft Exchange zero-days exploited by attackers (CVE-2022-41040, CVE-2022-41082)

September 30, 2022

Attackers are leveraging two zero-day vulnerabilities (CVE-2022-41040, CVE-2022-41082) to breach Microsoft Exchange servers. News of the attacks broke on Wednesday, when …

Unpatched Atlassian Confluence zero-day exploited, fix expected today (CVE-2022-26134)

June 3, 2022

A critical zero-day vulnerability (CVE-2022-26134) in Atlassian Confluence Data Center and Server is under active exploitation, the software maker has warned on Thursday. …

Determined APT is exploiting ManageEngine ServiceDesk Plus vulnerability (CVE-2021-44077)

December 3, 2021

An APT group is leveraging a critical vulnerability (CVE-2021-44077) in Zoho ManageEngine ServiceDesk Plus to compromise organizations in a variety of sectors, including …

Coinminers, web shells and ransomware made up 56% of malware targeting Linux systems in H1 2021

August 25, 2021

Trend Micro released a research on the state of Linux security in the first half of 2021. The report gives valuable insight into how Linux operating systems are being targeted …

ProxyShell vulnerabilities actively exploited to deliver web shells and ransomware

August 23, 2021

Three so-called “ProxyShell” vulnerabilities are being actively exploited by various attackers to compromise Microsoft Exchange servers around the world, the …

Cyber intrusion activity volume jumped 125% in H1 2021

August 10, 2021

The volume of cyber intrusion activity globally jumped 125% in the first half of 2021 compared with the same period last year, according to the Cyber Investigations, Forensics …

FBI removes web shells from hacked Microsoft Exchange servers

April 14, 2021

Authorities have executed a court-authorized operation to copy and remove malicious web shells from hundreds of vulnerable on-premises versions of Microsoft Exchange Server …

Hackers exploited Centreon monitoring software to compromise IT providers

February 16, 2021

Unknown hackers – possibly the Sandworm APT – have been compromising enterprise servers running the Centreon monitoring software for over three years, the French …

Web shell malware continues to evade many security tools

April 23, 2020

Cyber attackers are increasingly leveraging web shell malware to get persistent access to compromised networks, the US National Security Agency and the Australian Signals …

Featured news

  • 2022 witnessed a drop in exploited zero-days
  • Ferrari data breach: Client data exposed
  • 5 rules to make security user-friendly
How to protect online privacy in the age of pixel trackers

Sponsored

Webinar: Tips from MSSPs to MSSPs – starting a vCISO practice

Security in the cloud with more automation

CISOs struggle with stress and limited resources

How to scale cybersecurity for your business

Don't miss

2022 witnessed a drop in exploited zero-days

5 rules to make security user-friendly

The impact of AI on the future of ID verification

How to protect online privacy in the age of pixel trackers

Detecting face morphing: A simple guide to countering complex identity fraud

Cybersecurity news
Help Net Security - Daily information security news with a focus on enterprise security.
© Copyright 1998-2023 by Help Net Security
Read our privacy policy | About us | Advertise
Follow us