Malware

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A hacker attacks from within a Windows system.
CSO: Have you met these hackers? [slide 01]

trojan horse malware virus binary by v graphix getty

After a decade, Qbot Trojan malware gains new, dangerous tricks

New Qbot abilities include inserting malware in legitimate email threads to spread malware.

computer crime scene / hacked / infected / cybercrime / cyberattack

15 signs you've been hacked -- and how to fight back

Redirected internet searches, unexpected installs, rogue mouse pointers: Here's what to do when you've been hacked.

hacker / cryptocurrency attack

What is cryptojacking? How to prevent, detect, and recover from it

Criminals are using ransomware-like tactics and poisoned websites to get your employees’ computers to mine cryptocurrencies. Here’s what you can do to stop it.

ransomware attack

How to protect Windows networks from ransomware attacks

Even large companies like Honda can fall victim to a targeted ransomware attack. Take these steps to harden your Windows network against them.

ransomware attack

Ransomware explained: How it works and how to remove it

Ransomware is a form of malware that encrypts a victim's files. The attacker then demands a ransom from the victim to restore access to the data upon payment. 

COVID-19 coronavirus scam alert

8 ways attackers are exploiting the COVID-19 crisis

Cybercriminals are taking advantage of the coronavirus crisis to spread malware, disrupt operations, sow doubt and make a quick buck.

ransomware attack

Ryuk ransomware explained: A targeted, devastatingly effective attack

Ryuk ransomware attacks are targeted to the most vulnerable, most likely to pay companies and are often paired with other malware such as TrickBot.

Blazing, fiery cloud raining binary code.

Cloud servers hacked via critical SaltStack vulnerabilities

Attackers were quick to exploit recently announced vulnerabilities to deploy cryptominers. Patch Salt now.

coronavirus covid 19 pandemic disease binary map world 5060518 by mintblack4u pixabay cc0 2400x1600

COVID-19 attack campaigns target hardest hit regions, research shows

Attackers shift their focus to where coronavirus infections are rising and use tactics that make their efforts hard to block.

pharming  >  faudulent website redirect

Pharming explained: How attackers use fake websites to steal data

A pharming attack aims to redirect victims’ web traffic away from their intended destination to a website controlled by threat actors to harvest information and spread malware.

lock circuit board bullet hole computer security breach

The 15 biggest data breaches of the 21st century

Data breaches affecting millions of users are far too common. Here are some of the biggest, baddest breaches in recent memory.

Cryptojacking  >  Binary skull, code and bitcoin symbols invade systems as malware

RubyGems typosquatting attack hits Ruby developers with trojanized packages

Attacker targeted Windows systems to hijack cryptocurrency transactions, and was able to evade anti-typosquatting measures.

A white speech bubble with an email icon indicating a new unread message against a viral background.

Beware malware-laden emails offering COVID-19 information, US Secret Service warns

Many of the emails take advantage of an unpatched, decades-old Microsoft Office vulnerability to deliver malware. Advice: Patch now.

Antivirus digital syringe and virus/biohazard symbol in binary matrix

Best antivirus software: 13 top tools

These top-ranking Windows 10 client antivirus products were tested on three primary criteria: protection, performance and usability.

CSO  >  danger / security threat / malware / biohazard symbol in data center / servers

Attack campaign hits thousands of MS-SQL servers for two years

Newly discovered Vollgar attack uses brute force to infect vulnerable Microsoft SQL servers at a high rate.

Malicious USB dongle / memory stick / thumb drive with skull icon

Cybercriminal group mails malicious USB dongles to targeted companies

Shown as a proof-of-concept in 2014, this is the first known use of the BadUSB exploit in the wild.

network security concept

COVID-19 and tech: New collaboration tools mean new security risks

As the coronavirus forces companies to move their communication and file sharing onto collaboration platforms, be prepared for unintended consequences: New security threats will surface, requiring new methods of securing your...

credit card swipe / crosshairs

Credit card skimmers explained: How they work and how to protect yourself

A card skimmer is a device designed to steal information stored on payment cards when consumers perform transactions at ATMs, gas pumps and other payment terminals. More recently, the use of the term has been extended to include...

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