Cisco Talos Blog

July 13, 2022 19:58

Transparent Tribe begins targeting education sector in latest campaign

* Cisco Talos has been tracking a new malicious campaign operated by the Transparent Tribe APT group. * This campaign involves the targeting of educational institutions and students in the Indian subcontinent, a deviation from the adversary's typical focus on government ent

June 3, 2022 20:08

Threat Advisory: Atlassian Confluence zero-day vulnerability under active exploitation

Cisco Talos is monitoring reports of an actively exploited zero-day vulnerability in Confluence Data Center and Server. Confluence is a Java-based corporate Wiki employed by numerous enterprises. At this time, it is confirmed that all supported versions of Confluence are affecte

June 1, 2022 10:19

Threat Advisory: Zero-day vulnerability in Microsoft diagnostic tool MSDT could lead to code execution

A recently discovered zero-day vulnerability in the Microsoft Windows Support Diagnostic Tool (MSDT) made headlines over the past few days. CVE-2022-30190, also known under the name "Follina," exists when MSDT is called using the URL protocol from an application, such

April 12, 2022 16:17

Microsoft Patch Tuesday includes most vulnerabilities since Sept. 2020

Microsoft released its latest security update Tuesday, disclosing more than 140 vulnerabilities across its array of products. This is a departure from past Patch Tuesdays this year, which have only featured a few dozen vulnerabilities, and is the largest amount of issues in a sin

February 22, 2022 08:00

Time to secure hybrid work for 2022, not 2002

Editor’s note: This post is the first in a new series from Talos looking at high-level topics across the cybersecurity space. Our researchers rely on years of expertise, data, and tremendous visibility; applying what we can learn from history, research, and analysis to nascent se

October 7, 2021 15:36

Threat Advisory: Apache HTTP Server zero-day vulnerability opens door for attackers

A recently discovered vulnerability in Apache HTTP Server (CVE-2021-41733) is being actively exploited in the wild. This vulnerability is a path traversal and file disclosure vulnerability that could allow an attacker to map URLs outside of the document root. It could also resu

July 14, 2021 08:20

Following the Money: Comparing cryptocurrency value to illicit mining activity

By Nick Biasini In the age of meme stocks, Robinhood and Elon Musk's tweets influencing the global economy, cryptocurrency mining has not seemed as fringe as it once did. Mining has been around as long as these crytocurrencies have, but only really started to gather the att

July 8, 2021 16:06

PrintNightmare: Here’s what you need to know and Talos’ coverage

Over the past several weeks, there's been a lot of discussion about a particular privilege escalation vulnerability in Windows affecting the print spooler, dubbed PrintNightmare. The vulnerability (CVE-2021-1675/CVE-2021-34527) has now been patched multiple times but is belie

June 22, 2021 07:56

Attackers in Executive Clothing - BEC continues to separate orgs from their money

By Nick Biasini. In today's world of threat research, the focus tends to be on the overtly malicious practice of distributing and installing malware on end systems. But this is far from the complete picture of what threats organizations face. One of the most, if not the most