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A Deep Dive Into Wakeup On Lan (WoL) Implementation of Ryuk

 February 13, 2020

Estimated reading time: 5 minutes

Quick Heal Security Labs recently came across a variant of Ryuk Ransomware which contains an additional feature of identifying and encrypting systems in a Local Area Network (LAN). This sample targets the systems which are present in sleep as well as the online state in the LAN. This sample is packed with...

Ako Ransomware targeting businesses using RaaS

 January 24, 2020

Estimated reading time: 5 minutes

Ako Ransomware targeting businesses using RaaS Quick Heal security researchers recently observed ransomware that uses RaaS (Ransomware as a Service) which is a subpart of MaaS (Malware as a Service). Before delving into the AKO ransomware or RaaS, one must understand what Malware as a Service means, as it is...

CVE-2019-11815: Experts discovered a privilege escalation vulnerability in the Linux Kernel

 May 27, 2019

Estimated reading time: 2 minutes

Red Hat engineers and experts discovered a memory corruption vulnerability in Linux kernel, which is basically a flaw while implementation of RDS (Remote desktop Protocol) over TCP. This flaw has affected Red Hat, Ubuntu, Debian and SUSE and security advisories have been issued for all. This flaw could enable an...

Miners snatching open source tools to strengthen their malevolent power!

 April 26, 2019

Estimated reading time: 10 minutes

From the last one year, Quick Heal Security Labs has been observing a boost in the number of mining malware. One of the ways to earn cryptocurrencies is to mine them. Nowadays cryptocurrency miner malware have become hot attack vectors for cybercriminals due to its ease of deployment and instant...

A massive security flaw discovered in Skype. Fix not coming anytime soon.

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 February 14, 2018

Estimated reading time: 2 minutes

Quick Heal Security Labs has recently learned about a serious vulnerability in Skype’s update installer – that’s the bad news. The worse news is, Microsoft is not going to patch the vulnerability anytime soon as this would require the updater to go through a ‘large code revision’. What is this...

Cybersecurity Predictions: What to expect in 2018

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 December 26, 2017
Cybersecurity prediction for 2018

Estimated reading time: 7 minutes

Get ready! 2018 is going to be much worse for cybersecurity than what it was for 2017. Before we get on with the cybersecurity predictions for 2018, let’s take a quick flashback of 2017 2017 was riddled with cybersecurity mayhem: WannaCry – the biggest ransomware attack in history; took down...

Malspam Campaign using CVE-2017-0199 Targets Manufacturing, Pharmaceutical, and other important Industries

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 August 31, 2017

Estimated reading time: 2 minutes

Quick Heal Security Labs has come across various email campaigns that are actively exploiting the famous vulnerability CVE-2017-0199 in their bid to target prominent private industries in India. CVE-2017-0199 was a zero-day vulnerability reported in April 2017 by two different security firms. Almost all of the MS Office versions were...

5 Things that Show you’re Sharing too Much Information Online

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 September 21, 2016

Estimated reading time: 4 minutes

It’s easier for predatory animals (lions, wolves, bears, hawks, etc.) to hunt their preys on open grounds with fewer or no places to hide. And this scenario is no different for us when we are online. The moment we get on the Internet, we place ourselves on a hunting patch...

Ransomware Getting Delivered Using Script Files

 August 16, 2016

Estimated reading time: 2 minutes

The ransomware threat has significantly grown over time. Each day, a new variant gets added to the ransomware family. Malware are usually delivered through exploit kits and spam emails. Speaking of spam emails, they are either loaded with malicious document files installing the malware or malware directly inside a ZIP...

Cyber Security Challenges and Emerging Reforms in the Indian Banking Sector

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 June 1, 2016

Estimated reading time: 3 minutes

The Indian banking industry has evolved majorly in the past few years owing to technological innovations. Public and privatized banks are allotting bigger budgets towards acquiring and building IT infrastructure and have leveraged IT across all banking operations. Banks constantly face the business challenge of meeting customers’ expectations and improvising...