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Malware, short for malicious software, is any software used to disrupt computer operations, gather sensitive information, gain access to private computer systems, or display unwanted advertising. Malicious software was called computer virus before the term malware was coined in 1990 by Yisrael Radai. The first category of malware propagation concerns parasitic software fragments that attach themselves to some existing executable content. The fragment may be machine code that infects some existing application, utility, or system program, or even the code used to boot a computer system. Malware is defined by its malicious intent, acting against the requirements of the computer user, and does not include software that causes unintentional harm due to some deficiency.

Malware may be stealthy, intended to steal information or spy on computer users for an extended period without their knowledge, as for example Regin, or it may be designed to cause harm, often as sabotage (e.g., Stuxnet), or to extort payment (CryptoLocker). ‘Malware’ is an umbrella term used to refer to a variety of forms of hostile or intrusive software, including computer viruseswormstrojan horsesransomwarespywareadwarescareware, and other malicious programs. It can take the form of executable code, scripts, active content, and other software. Malware is often disguised as, or embedded in, non-malicious files. As of 2011 the majority of active malware threats were worms or trojans rather than viruses.

Fileless Malware Attacks Continue to Gain Steam

Endpoint woes grow as fileless attacks grow in prevalence and file-based attacks remain largely undetected by AV engines.

Cyber-Attacks Continue to Be Financially Motivated, Verizon Finds

Verizon's 2017 Data Breach Investigations Report finds that hacking and malware are the leading causes of breaches, with ransomware use growing.

​Facebook: We’re adding information warfare to our fight against malware, fraud

Facebook's security team doesn't disagree with the US Director of National Intelligence's conclusion that Russia tried to sway the US Presidential election.

Sneaky ‘fileless’ malware flung at Israeli targets via booby-trapped Word docs

Spies, bank raiders gravitate to growing stealth technique A newly uncovered cyber-espionage campaign targeting Israeli organisations relies on "fileless" malware hidden in Microsoft Word documents, a hacker tactic that's becoming a growing menace.…

Sneaky ‘fileless’ malware flung at Israeli targets

Spies, bank raiders gravitate to growing stealth technique A newly uncovered cyber-espionage campaign targeting Israeli organisations relies on "fileless" malware, a hacker tactic that's becoming a growing menace.…

TrickBot banking Trojan steps up attacks against UK targets

IBM X-Force researchers warn that this sophisticated malware family is fast becoming one of the most prevalent forms of data-stealing banking Trojans

Hajime Botnet Malware Observed Infecting 300,000 Unsecure IoT Devices

Manufacturers fail to eradicate simple security flaws in network-connected devices, allowing attackers to infect hundreds of thousands with malware that turn them into botnet nodes.

Use of DNS Tunneling for C&C Communications

Often, virus writers don't even bother to run encryption or mask their communications. However, you do get the occasional off-the-wall approaches that don't fall into either of the categories.

Take, for instance, the case of a Trojan that Kaspersky Lab researchers discovered in mid-March and which establishes a DNS tunnel for communication with the C&C server.

Annual Verizon security report says sloppiness causes most data breaches

Security threats are constantly evolving, but as Verizon's latest DBIR (Data Breach Investigations Report) shows, the more things change in information security, the more they stay the same.More than half (51 percent) of the data breaches analyzed i...

Mysterious Hajime botnet has pwned 300,000 IoT devices

The Dark Knight of malware's purpose remains unknown Hajime – the "vigilante" IoT worm that blocks rival botnets – has built up a compromised network of 300,000 malware-compromised devices, according to new figures from Kaspersky Lab.…

APT Threat Evolution in Q1 2017

Kaspersky Lab is currently tracking more than a hundred threat actors and sophisticated malicious operations in over 80 countries.

During the first quarter of 2017, there were 33 private reports released to subscribers of our Intelligence Services, with IOC data and YARA rules to assist in forensics and malware-hunting.

Chipotle may have banished E coli, but now it has a...

Another reason to feel queasy when leaving – bank-card-stealing malware The last quarter has been a trying one for Mexican fast-food chain Chipotle. People are returning to its restaurants after the great 2015 E coli outbreak, but now customers are being struck by a different kind of virus.…