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Five high-severity flaws fixed in Dell Windows firmware update driver Wednesday, 05 May 2021 07:42 Five high-severity flaws fixed in Dell Windows firmware update driver Featured Image by mohamed Hassan from Pixabay Computer manufacturer Dell has released a security update to fix five high-severity vulnerabilities in its firmware update driver which affect the company's desktops, laptops, notebooks and tablets that run Windows. The vulnerabilities were found by security shop SentinelLabs, which said in a blog post that they could be used for local escalation to kernel mode. The...

Mikkel William / Getty Images Ransomware has a long history, dating back to the late 1980s. Today, it’s generating billions of dollars in revenue for the criminal groups behind it. Victims incur recovery costs even if they pay the ransom. Sophos reports that the average cost of a ransomware attack in 2020 was nearly $1.5 million for victim organizations that paid ransoms and about $732,000 for those that didn’t. Given the financial benefit to attackers, it’s no surprise that ransomware gangs and malware have proliferated. The number of ransomware threat actors—those cap...

minute read Share this article: Research from Zscaler ThreatLabZ shows attackers using spam emails and legitimate-looking links to gaming software to serve up Epsilon ransomware, the XMRrig cryptominer and various data and token stealers. A rise in online gaming, tied to pandemic-mandated social distancing, has led to a spike in criminals targeting the demographic. The latest effort to exploit the trend is malicious files planted inside the Discord platform designed to trick users into downloading malware-laced files. Researchers report multiple active campaigns targeting the Dis...

Whenever we work with ransomware victims, we spend some time looking back through our telemetry records that span the previous week or two. These records sometimes include behavioral anomalies that (on their own) may not be inherently malicious, but in the context of an attack that has already taken place, could be taken as an early indicator of a threat actor conducting operations on the victim’s network. If we see any of these five indicators, in particular, we jump on them straight away. Any of these found during an investigation is almost certainly an indication that attackers have po...