Arkiv for december 2011

This Is The New Facebook Timeline

Never a company to shy away from privacy controversy, Facebook’s new timeline feature has got people up-in-arms over both chronic over-share and potential security holes. In the spirit of sharing, here’s our tips for a painless transaction to the Timeline.

Why is This Important?

It’s important to remember why taking an interest in your privacy is important, and the basic reason is: safety.

 

For example, Facebook is a great platform to share your location with your friends, but if that data was public, someone could build up their own profile on you and establish when your home will be empty.

There’s a digital threat, too. If your e-mail is publicly available on your profile, it’s more-than-likely that you use the same address for other online services. And what if your secret question for those other accounts is your cat’s name, and you’ve mentioned his name in a status update? You’ve just given someone all the information they need to access your account.

These examples are a bit obvious, but with increasingly sophisticated hackers, it’s better to be safe than sorry.

Don’t Worry About Your Messages

There was a rumour in Norway that the new Facebook Timeline, which replaces the wall to show posts, pictures and places in date order, also published old private messages! Well, relax: we can dispel that rumour.

Facebook’s security detectives investigated the issue and discovered that these “leaked messages” were actually old wall posts that the users had forgotten about. To those users: you should probably read the rest of our privacy tips.

Limit Your Past Posts

If you’ve invested a lot of time on Facebook over the years, you won’t want to scroll through the entire timeline to hide posts that you no longer want to share.

 

Luckily, Facebook has given users the option to mark all of their old posts as unseen, unless someone else is tagged in it (in which case they can see it too).

Simply head to your privacy settings (click the little arrow in the top right) and choose “Limit the Audience for Past Posts”. To undo this action, you’ll have to go through each post manually – so think very carefully about it!

How Do You Connect?

To control how future content is shared, you’ll also want to edit you “How Do You Connect?” settings in the privacy menu.

This section lets you change who can see your timeline, who can friend-request you, who can send you messages, who can post on your timeline and who can see other bits of content.

It’s essentially a one-stop shop for controlling your privacy – and much easier than it was in the past. Thanks for listening, Facebook!

Step Into Someone Else’s Shoes

To get a hands-on experience of how your profile appears to outsiders, head to your timeline page and click the cog graphic to the right of your name and select “View As”.

Now simply enter a name and you can see your timeline in the same way they would. Too much information? Go and tweak your privacy settings.

Lucky Number Seven

Remember: if you’re unsure about the new feature, you’ve got seven days to look it over privately before it goes live for everyone else.

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3 Ways To Create Strong Passwords

You asked, we delivered!

In some of my previous blog posts I’ve been talking about strong passwords. Many of our blog readers have approached me, asking for a guide to create strong passwords. I’m introducing you three methods for creating passwords – and as always, you’re welcome to share your own tips with other readers by commenting the blog post!

A strong password is like a strong lock – you can sleep easier knowing it’s there. And while there’s time and cost involved in hiring a locksmith, changing your password is as simple as using method one, two or three.

Method 1: The Three R’s

The Three R ’s – reading, writing and arithmetic – is the most common method for choosing a strong password.

The key is to not use any words that you can read. By using “normal” words as a password, your account is susceptible to dictionary hacking. Dictionary hackers use an automated system to match your username against every word in the dictionary. It’s much better to use a memorable, made-up word instead.

 

You should also remember to write the password in a mixture of capital and lowercase letters. By using capitals in the middle of words, you can double the security of each letter from 26 possible variations to 52.

Finally, remember that there is safety in numbers. Adding a random string of numbers (think of it like a pin code) to your password makes it immune from dictionary-hacks.

Method 2: Add Four Words Together

The previous method may make passwords hard to hack, but it also makes them hard to remember.

To aid memory, we suggest creating a password by adding four words together, such as terrible table punch eagle. You can then transform the four words into a story – “the terrible table punched the eagle” and easily remember it.

This method keeps you safe because the password is so long – this one has 18 letters. Hackers who use computers to run through every possible letter/number combination (brute-force hackers) will thus be put off by the long time it takes to crack the password – usually a few years.

Method 3: Make a Secret Code

Do you remember making secret codes when you were young? Well, those same skills can come in useful for password-making. By making a secret code, you can avoid the problems we pointed out in our password recycling article.

 

To create a simple secret code, assign a symbol for each vowel. A can become %, E = ^, I = !, O = * and U = ?. Then use the web address of the website you’re logging into – such as norman.com – and replace the vowels with your symbols: n*rm%n.c*m. Now each website you login to will have a unique password.

To make your password even more secure, just add more parts to the code. Turn Ts into Ms, Bs into 3s – whatever you feel. Just remember your secret code and all your passwords will be both unique and hard to crack. P^rf^ct.

Which method do you use? Or do you have another way of keeping your password secure online?

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Fem tips til at få din langsomme computer til at køre hurtigere

Lyder det velkendt? “Hvis din computer er over et år gammel”, siger Meister, “er det meget sandsynligt, at den nu kører betydeligt langsommere, end da du købte den. Det er helt almindeligt”.

Hvis din computer kører langsomt frem for at drøne derudad, hjælper det at forstå de mest almindelige årsager – og hvordan de afhjælpes. Her er fem grunde til, at din computer måske ikke kører optimalt.

  1. Din computer har for lidt RAM. “Du vil tit kunne få et godt tilbud på en computer, der har en flot skærm, mange funktioner og en rimelig stor harddisk”, siger Mark Smetana, der ejer CMIT Solutions, et computersupportfirma i Hayward, Californien. “Producenterne holder priserne nede ved at spare på RAM’en”.

Random access memory (RAM) er det sted, din computer lagrer de filer og data, der ofte bruges. Programmer kræver stadig mere hastighed og plads, og ved at sætte mere RAM i kan du øge din computers hastighed, siger Tara Belzer, der ejer Friendly Computers i Charlotte, North Carolina. Eksperter mener, at du skal have mindst en gigabyte (GB) RAM, når du kører Windows XP og 2 GB, hvis du kører Windows Vista. Selvom Apple anbefaler mindst 512 megabytes (MB) RAM til de fleste Mac’er, siger brugerne, at applikationerne kører bedre, hvis du opgraderer til 1 GB eller mere. Hvis du kører med flere programmer samtidig eller spiller meget, bør du overveje at købe så meget RAM, som der er plads til, eller som du har råd til”, siger Smetana.

Ved du ikke, hvor meget RAM der er i din computer? På en Windows-maskine skal du klikke på Systemegenskaber under Computer eller Denne Computer. For at kontrollere RAM på en Mac skal du åbne Apple-menuen ved at klikke på æblet i skærmens øverste, venstre hjørne. Vælg enten Om denne Macintosh eller Om denne Computer. Kig efter den samlede RAM. Hvis tallet er angivet i kilobytes (KB), skal du dele tallet med 1.024 for at få antallet af MB. En GB svarer til 1.024 MB. En MB svarer til 1.024 KB. Hvis du ikke er tryg ved selv at installere RAM, kan et computerservicefirma tilføje mere hukommelse, uden at det koster en formue. Meister siger, at du skal betale ca. kr. 250 plus omkostninger til RAM, hvis du skal have Geek Squad til at installere og kontrollere RAM.

  1. Du skal defragmentere. Din computers harddisk er som et arkivskab, hvor de forskellige sagsmapper efterhånden bliver spredt i mange “forskellige skuffer”, siger Glenn S. Phillips fra Forte Online, et computerrådgivningsfirma i Pelham, Alabama. Du bør defragmentere en gang om måneden. Hvis du bruger Windows XP eller et ældre operativsystem, skal du åbne Denne computer og højreklikke på C:-drevet, vælge Egenskaber, klikke på Værktøjer og derefter på Defragmenter Nu. Du kan defragmentere, mens du fortsætter med andre opgaver. Hvis din computer kører med Windows Vista, skal den sættes op til at defragmentere automatisk. Men systemer leveres somme tider med den automatiske defragmentering slået fra, advarer Meister fra Geed Squad. Du kan kontrollere det ved at gå ind på startmenuen og indtaste Diskdefragmentering i Start Søgning.

    Dermed ikke være sagt, at man skal gå amok med at defragmentere, advarer Meister. Det kan udsætte din harddisk for unødig slitage. Mac-brugere er heldige. Iflg. eksperterne behøver du ikke at defragmentere en Mac på grund af den måde, operativsystemet fungerer på.

  1. Din harddisk er fyldt. Som en tommelfingerregel skal der altid være 10 % ledig plads på din harddisk, siger eksperterne. Hvis du lagrer mange billeder eller musikfiler på din harddisk, bør du overveje at købe en ekstern harddisk, siger Belzer og Smetana. “Det vil frigøre plads på harddisken, så din computer hurtigere kan finde frem til de data, du bruger regelmæssigt”, siger Smetana.
  1. Din computer er inficeret. Skadelige programmer eller malware er hovedårsagen til nedsat hastighed, siger Meister. Har du ladet dig friste til at downloade gratis programmer, at klikke på e-mails fra ukendte afsendere og installere gratis programmer? Så må du se i øjnene, at du udsætter din computer og dine personlige data for fare. Kriminelle er på udkig efter måder at få adgang til din computer og udnytte din computers RAM og kraft til deres egne kriminelle formål. Sørg for at du kører med et anerkendt antivirus/antispywareprogram, siger Belzer, og sørg for at det opdateres dagligt. Kør en fuld systemscanning en gang om ugen.
  1. Din computer kører for mange programmer ved start. Er det ligesom at se græsset gro, når du starter din computer? Meget ofte er nogle programmer sat op til at starte automatisk sammen med systemet, siger Meister. Her kan du se, hvordan du undgår det. For det første skal du, når du downloader eller installerer et program, ikke aktivere den funktion der hedder åbn ved start. Dernæst skal du gennemgå din nuværende software. Klik på hvert programikon for at se hvilke, der startes automatisk. Tillad kun at ofte brugte programmer startes automatisk. Når du er færdig, skal du lukke dem.

Der er ingen grund til at læne sig tilbage og udsætte sig for en tålmodighedskrævende, langsom computer, siger eksperterne. De problemer, der fører til en langsom computer, kan næsten altid afhjælpes af brugeren, siger Smetana fra CMIT Solutions. En smule regelmæssig vedligeholdelse og lidt sund fornuft fra din side vil være en rigtig god start.

Kim Boatman er journalist og bor i Silicon Valley, Californien. Hun skrev i over 15 år om mange forskellige emner i San Jose Mercury News.

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