CYBERSECURITY - ISH Tecnologia

Quando se trata de segurança cibernética, empresas de todos os tamanhos e segmentos precisam lidar com um desafio comum: a abundância e gravidade dos ataques de ransomware. Cada vez mais usado por cibercriminosos, esse tipo de malware pode paralisar toda…

April 14th, 2022December 10th, 2024

Jessica TrucatBlog, Reviews, Security, Trends

Get to know the top threats affecting Brazil in the last month

Brazil is one of the countries that suffers the most cyber-attacks in the world - and this scenario has worsened considerably since the pandemic. Being aware of the threats on the rise in Brazil and around the world is becoming increasingly important and...

April 13th, 2022December 10th, 2024

Jaqueline SantosBlog, Security

How much is your data worth? For hackers, millions of dollars

We'd like to start by asking you to imagine the volume of information circulating in your company. Histories of confidential negotiations with clients, financial files such as annual profits, strategic information on the direction of operations and a multitude of other data from...

April 5th, 2022December 10th, 2024

Jéssica TrucatBlog, Insider, Segurança, Technology

BlackCat Ransomware: the attack that has companies around the world worried

BlackCat, also known as ALPHV, is a Ransomware as a Service - RaaS that has been gaining notoriety since November 2021, has been in the spotlight and has caused major damage to several companies around the world. This ransomware is...

March 30th, 2022December 10th, 2024

Jéssica TrucatBlog, Insider, Segurança

The Hive Ransomware Group that stood out in 2021 is back; learn how to protect yourself

The Hive Group has already been the subject of our security reports, due to its prominence in the cyber world. We bring back the topic of this ransomware, which today has a high possibility of correlation with Nokoyawa due to the sharing...

March 28, 2022December 10th, 2024

Jaqueline SantosBlog, Insider

DLL Hijacking - injecting DLLs for evasion and persistence

There is a MITRE sub-technique for injecting DLLs, called DLL Hijacking. And in this post, you'll find a theoretical explanation and a simple proof of concept, with a DLL programmed in C++ that opens the Windows calculator...

February 10th, 2022December 10th, 2024

Jaqueline SantosBlog, Trends

The TOP 10 Windows versions with the most patches and how to update them

By Átila Altoé and Laura Cardillo It's now a Microsoft tradition to release updates for different editions of the operating system every Tuesday. That's why it's known as Patch Tuesday. And this week, we found out which 10 versions of Windows...

January 20th, 2022December 10th, 2024

Jaqueline SantosBlog, Insider

From phishing to malware, we analyze all the stages of a fileless attack

By Alexandre Siviero The phishing alert that distributed a malicious Power Point was made by researchers Ankit Anubhav and Germán Fernández, who contacted the ISH team. These researchers attributed the threat to NjRAT, specifically...

The key to security is threat response time

January 5th, 2021December 10th, 2024

Jaqueline SantosBlog, Trends

The key to containing attacks is the speed of the response time to threats

The impact of a cyber attack is measured by how long an attacker remains in a company's systems unnoticed. The longer inside an environment, the more access to critical systems. Therefore, the key to containing attacks...

December 3rd, 2020December 10th, 2024

Jaqueline SantosBlog, Insider, Insights, Offline, On-the-go

Are drones a threat to cyber security?

The number of drones registered in Brazil increased by 51% from 2018 to 2019, jumping from 18,389 to 27,665 in that period. The data comes from the National Civil Aviation Agency (Anac). The Brazilian market for unmanned aerial vehicles has been growing,...

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Quick guide to Ransomware: data hijacking and why are companies at risk?