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Vulnerability computing A vulnerability is a weakness in design, implementation, operation or internal control. Most of the vulnerabilities that have been discovered are documented in the Common Vulnerabilities and Exposures CVE database. An exploitable vulnerability is one for which at least one working attack or " exploit" exists.
To secure a computer system, it is important to understand the attacks that can be made against it, and these threats can typically be classified into one of these categories below: Backdoor[ edit ] A backdoor in a computer system, a cryptosystem or an algorithm, is any secret method of bypassing normal authentication or security controls.
They may exist for a number of reasons, including by original design or from poor configuration. They may have been added by an authorized party to allow some legitimate access, or by an attacker for malicious reasons; but regardless of the motives for their existence, they create a vulnerability.
Denial-of-service attacks[ edit ] Denial of service attacks DoS are designed to make a machine or network resource unavailable to its intended users. While a network attack from a single IP address can be blocked by adding a new firewall rule, many forms of Distributed denial of service DDoS attacks are possible, where the attack comes from a large number of points — and defending is much more difficult.
Such attacks can originate from the zombie computers of a botnetbut a range of other techniques are possible including reflection and amplification attackswhere innocent systems are fooled into sending traffic to the victim.
Direct-access attacks[ edit ] An unauthorized user gaining physical access to a computer is most likely able to directly copy data from it. They may also compromise security by making operating system modifications, installing software wormskeyloggerscovert listening devices or using wireless mice.
Disk encryption and Trusted Platform Module are designed to prevent these attacks. Eavesdropping[ edit ] Eavesdropping is the act of surreptitiously listening to a private conversation, typically between hosts on a network.
Even machines that operate as a closed system i. Multivector, polymorphic attacks[ edit ] Surfacing ina new class of multi-vector,  polymorphic  cyber threats surfaced that combined several types of attacks and changed form to avoid cybersecurity controls as they spread.
These threats have been classified as fifth generation cyberattacks. Preying on a victim's trust, phishing can be classified as a form of social engineering. Privilege escalation[ edit ] Privilege escalation describes a situation where an attacker with some level of restricted access is able to, without authorization, elevate their privileges or access level.
For example, a standard computer user may be able to fool the system into giving them access to restricted data; or even to " become root " and have full unrestricted access to a system. Social engineering security Social engineering aims to convince a user to disclose secrets such as passwords, card numbers, etc.
Spoofing attack Spoofing is the act of masquerading as a valid entity through falsification of data such as an IP address or usernamein order to gain access to information or resources that one is otherwise unauthorized to obtain.
Email spoofingwhere an attacker forges the sending From, or source address of an email. IP address spoofingwhere an attacker alters the source IP address in a network packet to hide their identity or impersonate another computing system.
Biometric spoofing, where an attacker produces a fake biometric sample to pose as another user. So-called "Evil Maid" attacks and security services planting of surveillance capability into routers  are examples.
Incident Response Planning and Organization[ edit ] Incident response is an organized approach to addressing and managing the aftermath of a computer security incident or compromise with the goal of preventing a breach or thwarting a cyberattack.
An incident that is not identified and managed at the time of intrusion, typically escalates to a more impactful event such as a data breach or system failure. The intended outcome of a computer security incident response plan is to limit damage and reduce recovery time and costs.computer problem solving and solutions.
With its corporate office located at S Mint Street in, Charlotte, North Carolina, ITS easily targets local prime government grupobittia.com is established as a WOSB, that is a Woman Owned Small Business as classified by the Small Business Administration.
Calico Computer Consulting computer consulting business plan executive summary. Calico Computer Consulting is a start-up sole proprietorship consulting business that provides technical assistance to local business, small office, and home office computer users.
A Business Plan is crucial for starting and running your business successfully. Sound business plans can help you get a loan, keep you on track toward your goals, and provide a reference for benchmarking, reviewing results and making adjustments in your business.
Adobe is changing the world through digital experiences. We help our customers create, deliver and optimize content and applications. Katahdin Consulting Business Plan 1 Executive Summary Technology Katahdin is a single runtime that allows developers to use multiple programming languages in the same program, the same file, even the same function.
Instead of a different runtime for each language. Computer Consulting Business Plan Calico Computer Consulting shall provide fast and reliable technical assistance to small office computer users. The keys to success for CCC are marketing and networking, responsiveness, quality, and generating repeat customers.