Information security means protecting information and information systems from unauthorized access, use, disclosure, disruption, modification or destruction.
The terms information security, computer security and information assurance are frequently incorrectly used interchangeably. These fields are interrelated often and share the common goals of protecting the confidentiality, integrity and availability of information; however, there are some subtle differences between them.
These differences lie primarily in the approach to the subject, the methodologies used, and the areas of concentration. Information security is concerned with the confidentiality, integrity and availability of data regardless of the form the data may take: electronic, print, or other forms.
Computer security can focus on ensuring the availability and correct operation of a computer system without concern for the information stored or processed by the computer.
Governments, military, corporations, financial institutions, hospitals, and private businesses amass a great deal of confidential information about their employees, customers, products, research, and financial status. Most of this information is now collected, processed and stored on electronic computers and transmitted across networks to other computers.
Should confidential information about a business' customers or finances or new product line fall into the hands of a competitor, such a breach of security could lead to lost business, law suits or even bankruptcy of the business. Protecting confidential information is a business requirement, and in many cases also an ethical and legal requirement.
For the individual, information security has a significant effect on privacy, which is viewed very differently in different cultures.
The field of information security has grown and evolved significantly in recent years. There are many ways of gaining entry into the field as a career. It offers many areas for specialization including: securing network(s) and allied infrastructure, securing applications and databases, security testing, information systems auditing, business continuity planning and digital forensics science, etc
Information Technology Governance, IT Governance is a subset discipline of Corporate Governance focused on information technology (IT) systems and their performance and risk management. The rising interest in IT governance is partly due to compliance initiatives, for instance Sarbanes-Oxley in the USA and Basel II in Europe, as well as the acknowledgment that IT projects can easily get out of control and profoundly affect the performance of an organization.
A characteristic theme of IT governance discussions is that the IT capability can no longer be a black box. The traditional involvement of board-level executives in IT issues was to defer all key decisions to the company's IT professionals. IT governance implies a system in which all stakeholders, including the board, internal customers, and in particular departments such as finance, have the necessary input into the decision making process. This prevents IT from independently making and later being held solely responsible for poor decisions. It also prevents critical users from later finding that the system does not behave or perform as expected, as explained in the Harvard Business Review article by R. Nolan:
A board needs to understand the overall architecture of its company's IT applications portfolio … The board must ensure that management knows what information resources are out there, what condition they are in, and what role they play in generating revenue…
source:wikipedia
Control Objective for Information and related Technology, disingkat COBIT, adalah suatu panduan standar praktik manajemen teknologi informasi. Standar COBIT dikeluarkan oleh IT Governance Institute yang merupakan bagian dari ISACA. COBIT 4.0 merupakan versi terbaru.
COBIT memiliki 4 cakupan domain, yaitu :
 happy :-) :) :] =) robot :|] curly lips :3 pacman :v upset >:O >:-O >:o >:-o confused o.O O.o squint -_- kiki ^_^ heart <3 kiss :-* :* angel O:) O:-) devil 3:) 3:-) |  Shark (^^^) unsure :/ :-/ :\ :-\ cry :'( grumpy >:( >:-( sunglasses 8-| 8| B-| B| glasses 8-) 8) B-) B) wink ;-) ;) gasp :-O :O :-o :o grin :-D :D =D tongue :-P :P :-p :p =P sad :-( :( :[ =( Chris Putnam :putnam: |
Before you perform the upgrade to Windows or just to make backups, Vista it is recommended that you create a CD/DVD backup of either the Acer Recovery CDs which are preinstalled in the hidden partition of your Notebook or a self created user backup which can exist on partition D: of your harddisk and will be shown only by the eRecovery utility. With these backups you will able to go back to your old configuration at any poin tin time in efect creating a complete Factory Reset Or Factory System Recovery
** PLEASE NOTE The default eRecovery password is “000000”
You must have a D: partition on your hard drive which is default setting by Acer Factory preload. : partition must be big enough for your user backup and it must be FAT32 formatted. If these requirements are not met eRecovery and this proceedure will not work
With most netbooks measuring over an inch thick, Acer found another way to improve its best-selling netbook: Make it thinner and lighter while (most important) not raising the price. With the Aspire One (D250-1165), Acer has eliminated a considerable amount of the plastic of its predecessor, the Aspire One (10-inch), making it slightly lighter and only 0.8 inch thick. It's merely an aesthetic overhaul, though; it keeps the original Intel Atom parts and the below-average (89 percent) keyboard. Still, the street price remains constant at $300 ($350 for the six-cell configuration).
Netbook design isn't one of Acer's strengths. The plastic top with a touch of sapphire blue can't compete with the metallic chassis of the HP Mini 2140 and the ASUS EeePC 1002HA. With the Aspire One (D250-1165), Acer opted for thinner and lighter; it's as if they took the One (10-inch) and shoved it into a panini press. The new and improved version measures 10.3 by 7.4 by 0.8 inches (HWD), about 0.3 inch thinner than its predecessor (10.3 by 7.4 by 1.1 inches). It's also thinner than the Samsung N120 (10.7 by 7.4 by 1.2 inches) and the ASUS EeePC 1000HE (10.3 by 7.3 by 1.1 inches), and a tad thinner than the ASUS EeePC 1008HA (Seashell) (10.3 by 7 by 1 inches) and the HP Mini 1000 (10.3 by 6.6 by 0.9 inches).
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With the D250-1165, Acer has shaved some weight from the One as well. The new model weighs 2.4 pounds with the three-cell battery and 2.7 pounds when I swapped in a six-cell, though you wouldn't really notice this difference when picking it up. Like most every other netbook, it retains the 10-inch widescreen and the customary 1,024-by-600 resolution. Exceptions include the HP 2140 and the Dell Inspiron Mini 10v, which support resolutions up to 1,366-by-768, and the Dell Inspiron Mini 12 and Samsung NC20 (21GBK), 12-inch netbooks with 1,280-by-800 resolutions.
It would have been more impressive had Acer increased the size of the keyboard, the touchpad, or even the mouse buttons. As it stands, the One's 89 percent keyboard hasn't caught up with its peers, trailing the 92 percent ones of the ASUS 1000HE, the HP 2140, and the Dell Mini 12. Meanwhile, netbooks like the Toshiba NB205 and the Samsung N120 have full-size keyboards, and provide better typing experiences. Acer did, however, incorporate multitouch capabilities (for the first time on the One) into its tiny touchpad, though the gestures are limited to panning and resizing, and they don't always work on the first try. The mouse buttons are also tiny and difficult to press; I had bit of thumb strain after navigating with them for 15 minutes. The 1000HE and the NB205, on the other hand, have bigger and friendlier-to-use mouse buttons, which widen the pinch between your thumb and index finger when you're surfing.
Features, too, remain the same. Like its predecessor, the One (D250-1165) has three USB ports, VGA-out, an Ethernet port, a 1.3-megapixel webcam, 802.11g Wi-Fi, and a 4-in-1 card reader. The 160GB hard drive is spacious enough for most file types. Every other netbook is offering the same capacity, or less. The 1000HE has a couple of extras, like overclocking features and 802.11n support, while the HP 2140 and the Lenovo IdeaPad S10 have ExpressCard slots.
There's really no such thing as raw horsepower on a netbook. The One (D250-1165) performed much the same as other netbooks because it uses the same components—a 1.6-GHz Intel Atom N270 processor, 1GB of memory, and Intel integrated graphics. (About 90 percent of all netbooks on the market come with this combo.) Although the ASUS 1000HE uses a newer N280 (1.66-GHz) Atom processor and a new memory controller, these didn't give it much of a performance edge. As in the previous model, the memory slot on the One (D250-1165) is very easily accessible; removing one screw is all it takes to upgrade to 2GB of memory. This configuration comes with a 23-Wh battery (three-cell), which scored about 3 hours in MobileMark 2007 battery tests. It uses the same battery slot as its predecessor, so the two are able to share batteries. Using its predecessor's 59Wh (6-cell) battery yielded the D250-1165 a battery score of 6 hours 40 minutes.
While some manufacturers increase prices following a design update, Acer has kept the price steady on the Aspire One. It's the most affordable netbook money can buy, which has made it a best-seller. And now with the Aspire One (D250-1165), it's slimmer and lighter. If its inferior typing and navigating experience is a deal breaker for you, spend $50 more for the ASUS EeePC 1000HE, the current Editors' Choice for netbooks.
Check out the Acer Aspire One (D250-1165)'s performance test results. (source : www.pcmag.com)
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