WanHart Blog

June 7, 2008

Anti Virus saja tidak memadai…

Filed under: anti virus,avast,avg,avira,data,kapersky,security,usb flash,virus — Admin @ 13:00

Dalam perjalanan saya ke perusahaan saya banyak di hadapai dengan pertukaran files. Ada yang lewat email, tapi yang paling sering adalah pertukaran files melalui CDROM atau USB Flash. Jika kita tidak menggunakan program Anti Virus bisa dipastikan komputer anda sekarang sudah banyak bersarang virus virus yang cukup berbahaya.

Sering kali program Anti Virus saya memberikan peringatan (warning) adanya virus virus yang masuk dari CDROM atau dari USB flash klien saya. Virus yang terdapat dalam CDROM dan USB flash mereka dapatkan tanpa mereka sadari. Dalam suatu kesempatan program Anti Virus saya menemukan 12 macam virus yang ingin masuk kedalam komputer saya tapi tertahan dan di karantina agar virus tidak masuk dan mengganggu komputer saya.

Bisa saya bayangkan bagaimana rapuhnya data data yang ada di komputer komputer klien klien saya jika virus virus ini tidak terdeteksi. Suatu saat jika kena oleh virus yang kuat, maka komputer mereka akan crash dan data data mereka akan hilang.

Banyak program Anti Virus yang gratis (free) yang anda dapat download dari Internet yaitu:

Dan masih banyak lagi untuk FREE Anti Virus. Untuk mencari opsi selain rekomendasi dari saya silahkan anda cari di Google.

Anti Virus yang terbaik adalah Kapersky Anti Virus (http://www.kaspersky.com) tetapi anda tidak akan menemukan program gratis dari mereka.

Saya sendiri menggunakan Avast Anti Virus. Cukup bagus untuk mencegah virus virus yang ada. Karena pengalaman saya dalam menemukan virus virus yang dapat mengancam keamanan data di LapTop saya, sebagai tambahan saya menggunakan THREATFIRE (http://www.threatfire.com). Gabungan dari Avast Anti Virus dan THREATFIRE sudah dapat menyamai bahkan lebih dari kemampuan Kapersky Anti Virus (http://www.kaspersky.com).

Anti Virus saja tidak memadai, tambahkan THREATFIRE (http://www.threatfire.com) agar data data anda di komputer lebih aman lagi.

Monggo… Jagalah keamanan data data anda.

Amazon Back Up After Outage

By Betsy Schiffman EmailJune 06, 2008 | 1:36:47 PMCategories: Amazon.com

UPDATED: See Amazon official comment below; new error messages reported.

Oops. The Amazon.com site became “unavailable” for millions of users across the U.S., at a potential cost of $31,000 per minute.

The outage comes just a few months after Amazon’s S3 (an online storage service) failed.

The site was down for roughly two hours, starting at 10:25 PST and was back up at 12:30, according to spokesperson Patty Smith. The cause was not disclosed.

“The system is very complex. On rare occasions when we experience problems, we try to resolve them as soon as possible,” Smith says.

The actual cost of the outage? Unclear, but if Amazon generates close to $4 billion this quarter (that’s the Wall Street consensus estimate) the company could book roughly $1.8 million in sales per hour, or $31,000 per minute.

Of course, those numbers include international sales, and international properties were unaffected. Also, there is no way to account for daily or weekly shopping trends.

“It’s hard to say that those sales are just lost, gone and unrecoverable — maybe some people came to the site, saw it was down, poked around, and came back and bought,” says Domenic Lacava, an analyst with Canaccord Adams.

We’re still not clear on what happened, but in an Amazon.com forum, the company left the stark message:

Greetings from Amazon.com,

We are currently investigating an issue that has impacted the availability of the Amazon.com website. Engineers are actively engaged in resolving this issue and we will provide an update once the issue is resolved. We appreciate your patience during this time.

Regards,

Technical Account Management

Amazon.com

And while S3 still did not go down, some customers have complained about a sharp rise in errors; and extremely slow speeds.

In the meantime, several readers report getting an error message implying they’re robots:

We’re sorry!

You have been denied access to this feature because we believe you violated the terms, conditions, rules, guidelines or policies of our site in the past. If you believe we have taken this action in error, you may contact us at ad-help-us@amazon.com.

Incidentally, the Amazon site isn’t the only thing that’s down — the stock closed down close to $4, or more than 4.6 percent.

Source: http://blog.wired.com/business/2008/06/amazon-down.html