Cybersecurity Tools

Charming Kitten’s POWERSTAR Malware Boosts its Techniques

Cybersecurity researchers recently published an advisory on the evolution of POWERSTAR backdoor malware and advanced spear-phishing techniques used by Charming Kitten, a threat actor believed to be from Iran. The most recent version of POWERSTAR has improved operational security measures, making it more difficult to analyze and gather intelligence on this malware. According to Volexity, […]

The post Charming Kitten’s POWERSTAR Malware Boosts its Techniques appeared first on Heimdal Security Blog.

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5 key traits of highly effective CISOs

EXECUTIVE SUMMARY: In businesses across the globe, a post-pandemic explosion of connectivity has massively expanded digital footprints. Intellectual property, customer data and brand equity are now wrapped up in the digital domain. This modernization and digitization has afforded businesses new opportunities, but has also transformed them into targets for information theft, directly affecting business performance […]

The post 5 key traits of highly effective CISOs appeared first on CyberTalk.

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HHS Data at Risk After MOVEit Hack Impacted Third-Party Vendors

A third-party security breach at the Department of Health and Human Services (HHS) may have exposed the personal information of at least 100,000 people, a department official stated last week, making it the latest US government agency to be hit by a widespread cyberattack tied to Russian-speaking cybercriminals. On June 27, HHS informed Congress of […]

The post HHS Data at Risk After MOVEit Hack Impacted Third-Party Vendors appeared first on Heimdal Security Blog.

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How to Identify Phishing Emails and Prevent an Attack Using DNS Filtering

Identifying phishing emails and preventing phishing attacks continue to raise serious challenges for any company’s IT team. Although it`s been almost 30 years since the first phishing email was detected, threat actors still rely on this technique. Phishing attacks and their consequences have been largely discussed in the past years. Almost anyone with minimal digital […]

The post How to Identify Phishing Emails and Prevent an Attack Using DNS Filtering appeared first on Heimdal Security Blog.

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Massive Data Breach Affects UK Hospital Group

The BlackCat ransomware group claims they have breached Barts Health NHS Trust and stolen seven terabytes of internal documents. On the Dark Web, they call it “more bigger leak from the health care system in UK”. Now, the hackers are threatening to make a sizable quantity of the trust’s private information public if their demands […]

The post Massive Data Breach Affects UK Hospital Group appeared first on Heimdal Security Blog.

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Is Windows Defender Enough For 2023?

In this post, we will answer the question – is Windows Defender good enough for 2021? Also, we will reveal its effective use cases as well as alternatives. With the increasing spate of cyber attacks, which have become much more sophisticated than ever before, PC users have been asking; would Windows Defender be enough come […]

The post Is Windows Defender Enough For 2023? appeared first on SecureBlitz Cybersecurity.

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New Proxyjacking Campaign: Cybercriminals Hijack Vulnerable SSH Servers

A new financially motivated campaign is actively targeting vulnerable SSH servers to covertly ensnare them in a proxy network. According to researchers, the attackers leverage SSH for remote access, thus running malicious scripts that stealthily enlist victim servers into a peer-to-peer (P2P) proxy network. Proxyjacking Explained: The Dangers Behind the Practice Unlike cryptojacking, in which […]

The post New Proxyjacking Campaign: Cybercriminals Hijack Vulnerable SSH Servers appeared first on Heimdal Security Blog.

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