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ALSO CALLED: Malicious Threats, Malicious Computer Code, Malicious Logic, Joke Programs, Blended Threats, Malicious Software, Malicious Code, Mobile Malware
DEFINITION: Polymorphic malware is harmful, destructive or intrusive computer software such as a virus, worm, Trojan or spyware that constantly changes ("morphs"), making it difficult to detect with anti-malware programs. Evolution of the malicious code can occur in a variety of ways such as filename changes, compression and encryption with variable keys.Although the appearance of the code in polymorphic malware  … 
Definition continues below.
MalwareWhite Papers (View All Report Types)
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Multi-Layered Security
sponsored by GFI Cloud
WHITE PAPER: Discover several key controls for robust SMB malware defenses and learn about several popular attacks that cybercriminals have been known to use.
Posted: 14 Jul 2014 | Published: 31 Dec 2013

GFI Cloud

What You Should Be Asking Your DNS Host About Lowering DDoS Risks
sponsored by Neustar®
WHITE PAPER: This white paper provides answers to three questions about DDoS attacks that you need to ask your DNS host before, not after, your company becomes a target.
Posted: 14 Jul 2014 | Published: 14 Jul 2014

Neustar®

Imperva Security Solutions
sponsored by Imperva
WHITE PAPER: This whitepaper describes a comprehensive security suite that protects digital assets in their repositories and detects abnormal behaviors from compromised users to protect sensitive company data from intruders.
Posted: 11 Jul 2014 | Published: 11 Jul 2014

Imperva

Securing Personal Mobile Device Access to Enterprise IT and Cloud Assets with Strong Authentication
sponsored by HID
WHITE PAPER: Learn how organizations protect and manage access to their enterprise and cloud applications during the BYOD phenomenon.
Posted: 11 Jul 2014 | Published: 28 Mar 2014

HID

How Resellers Can Become the Trusted Advisors on Security Issues
sponsored by Webroot
WHITE PAPER: This white paper introduces an innovative endpoint security solution with a completely cloud-based architecture rather than the outdated, signature-based methods of the past.
Posted: 11 Jul 2014 | Published: 31 May 2014

Webroot

Is Your Business Safe from Malware and Targeted Attacks?
sponsored by Imperva
WHITE PAPER: Is your business safe from malware and targeted attacks? Access this informative chart to learn the 7 stages of targeted attack as well as the 8 steps to safeguard your organization from attack.
Posted: 11 Jul 2014 | Published: 09 Jul 2014

Imperva

Dragonfly: Cyberespionage Attacks Against Energy Suppliers
sponsored by Symantec Corporation
WHITE PAPER: The following security response provides an overview of the tools and tactics used by the attackers and a timeline of their attacks. Read on to inform your company of possible malware threats.
Posted: 09 Jul 2014 | Published: 30 Jun 2014

Symantec Corporation

Mitigating the OWASP Top 10 2013 with Imperva SecureSphere
sponsored by Imperva
WHITE PAPER: This informative guide outlines an effective tool designed to help mitigate the OWASP top 10 and how it can greatly enhance your enterprise security.
Posted: 08 Jul 2014 | Published: 31 Dec 2013

Imperva

Web Attack Survival Guide Infographic
sponsored by Imperva
WHITE PAPER: This brief infographic provides 7 essential steps for Web attack survival.
Posted: 08 Jul 2014 | Published: 08 Jul 2014

Imperva

Symantec Intelligence Report: Internet Security Threats - September 2014
sponsored by Symantec Corporation
WHITE PAPER: Read this Symantec Intelligence Report for an in-depth analysis of the trends in internet security that we have seen in the past year, including data on targeted attacks and data breaches; malware tactics; social media and mobile threats; and more.
Posted: 07 Jul 2014 | Published: 31 May 2014

Symantec Corporation

Advanced Persistent Threats: Detection, Protection and Prevention
sponsored by Sophos, Inc.
WHITE PAPER: Download this paper to get an overview of the common characteristics of APTs, how they typically work, and how Sophos complete security solution can protect your network, servers and end user clients.
Posted: 06 Jul 2014 | Published: 02 Jul 2014

Sophos, Inc.

Five critical steps to achieving an effective application security program
sponsored by IBM
WHITE PAPER: This white paper explains a variety of application threats that organisations deal with, and introduces 5 practical steps to take when implementing application security.
Posted: 03 Jul 2014 | Published: 31 Dec 2013

IBM

Defending Against Advanced Persistent Threats: Strategies for a New Era of Attacks
sponsored by CA Technologies.
WHITE PAPER: This guide takes a look at the growing risk of advanced persistent threats and what you can to prevent them.
Posted: 25 Jun 2014 | Published: 31 Dec 2013

CA Technologies.

A Survey of Zero-day Attacks in 2013 and What They Say About the Traditional Security Model
sponsored by FireEye
WHITE PAPER: This informative survey explores zero-day attacks in 2013 and what they say about the traditional security model.
Posted: 05 Jun 2014 | Published: 05 Jun 2014

FireEye

IT Executive Guide to Security Intelligence
sponsored by IBM
WHITE PAPER: This helpful guide discusses one company's approach to security intelligence, and how this innovation could entirely change the way that businesses approach threat management.
Posted: 03 Jul 2014 | Published: 31 Jan 2013

IBM

Buyers Guide: Choosing an Endpoint Protection Solution for Your Enterprise
sponsored by Sophos, Inc.
WHITE PAPER: This buyers guide provides helpful charts to assist you in choosing the endpoint protection solution that will best fit the needs of your enterprise.
Posted: 03 Jul 2014 | Published: 01 Jul 2014

Sophos, Inc.

Exposing the Cybersecurity Cracks: A Global Perspective
sponsored by Websense, Inc.
WHITE PAPER: This eye-opening reviews data collected from nearly 5000 experienced IT workers regarding deficiencies in the ways that their companies attempt to think about, fight, and detect security breaches.
Posted: 01 Jul 2014 | Published: 30 Apr 2014

Websense, Inc.

Operationalizing Information Security: Top 10 SIEM Implementer’s Checklist
sponsored by AccelOps Inc.
WHITE PAPER: This informative whitepaper outlines 10 best practices for successful SIEM implementation.
Posted: 23 Jun 2014 | Published: 23 Jun 2014

AccelOps Inc.

Malware Analysts Have the Tools to Defend Against Cyber-Attacks, But Challenges Remain
sponsored by Threat Track Security
WHITE PAPER: This informative guide explores today's threat landscape, the role of malware and the threat of internal vulnerabilities.
Posted: 16 Jun 2014 | Published: 16 Jun 2014

Threat Track Security

Microsoft Extends Windows® XP Malware Support-Compliance Issues Remain
sponsored by Lenovo and Windows 8 Pro
WHITE PAPER: This informative guide explores the risks associated with Windows® XP and why now is the time to upgrade your operating system – ensuring system security.
Posted: 13 Jun 2014 | Published: 13 Jun 2014

Lenovo and Windows 8 Pro

HP TippingPoint Intrusion Prevention System halts threats at the door - Solution increases visibility to potential threats, attacks and policy violations against HP systems
sponsored by Hewlett-Packard Limited
WHITE PAPER: Prevent future cyber attacks from occurring by modifying your company's security infrastructure.
Posted: 11 Jun 2014 | Published: 01 Nov 2013

Hewlett-Packard Limited

It's Time Businesses Wake up to Mobile Security Reality
sponsored by Threat Track Security
WHITE PAPER: This white paper addresses the need for top-notch mobile security. With the rise of personal devices used in the workplace, security is more important than ever before.
Posted: 06 Jun 2014 | Published: 06 Jun 2014

Threat Track Security

Beyond the Breach
sponsored by FireEye
WHITE PAPER: This informative whitepaper takes a look at today's threat landscape and outlines the unfortunate news – security breaches are inevitable.
Posted: 04 Jun 2014 | Published: 04 Jun 2014

FireEye

Cloud Adoption & Risk Report
sponsored by SkyHigh
WHITE PAPER: This survey reveals the ongoing struggle with the growing risks in cloud adoption in 2014 to help IT leaders better prepare for future migration projects.
Posted: 03 Jun 2014 | Published: 03 Jun 2014

SkyHigh

Analyzing Four Widely Exploited Java Vulnerabilities
sponsored by FireEye
WHITE PAPER: This informative guide explores the technical details of the 4 most common Java vulnerabilities and outlines each step of the infection flow.
Posted: 03 Jun 2014 | Published: 03 Jun 2014

FireEye
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MALWARE DEFINITION (continued): …  varies with each "mutation," the essential function usually remains the same. For example, a spyware program intended to act as a keylogger will continue to perform that function even though its signature changes. If the malicious program is discovered by an anti-malware vendor and its signature is added to a downloadable database, the anti-malware program will fail to detect the rogue code after the signature has changed, just as if a new virus, worm, Trojan or spyware program has emerged. In this way, malware creators gain an advantage over countermeasure developers.The best method … 
Malware definition sponsored by SearchSecurity.com, powered by WhatIs.com an online computer dictionary

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