A Reminder From Yahoo: Change (And Improve) Your Passwords


On January 31, 2014, Yahoo announced that a major theft of mail account passwords had compromised an “ undisclosed number” of accounts. Writing from the Yahoo Tumblr blog, senior vice president in charge of Yahoo’s platforms and personalization products, Jay Rossiter, pointed out the attack was a result of a third-party database being compromised, and not from Yahoo’s own systems directly. In addition to explaining the steps Yahoo was taking to protect its members, Mr. Rossiter reiterated the importance of individuals adopting better password security habits as a general rule.

Such password thefts have become a regular occurrence, and often happen when thieves discover a weakness in the overall system – anything from a misplaced laptop to a weak password owned by a system administrator.

In January 2013, for example, a number of US banks suffered a cyber-attack known as a “Distributed Denial of Service (DDoS)“, in which zombie computers repeatedly and continually connected to the banks’ websites many times a second, making them inoperable to any other users. In the case of the bank attack, the technicians from security firm Incapsula [www.incapsula.com] were able to detect it and close it down before any damage was done. In tracking its source, they found that the DDoS instructions were relayed to a number of infected computers – the type that many millions of people use every day – through an innocent small business website located in England, and an overly simple password, “admin” was at the root of the problem. Click here to read the full CloudTweaks article.

With technology getting increasingly more sophisticated and instantaneous, it remains a permanent horserace between those who wish to use the Internet for business, entertainment and life, and those who wish to use it to create destruction, or to fuel crime. To the bad guys, everything is an opportunity. Consider online payments, for example. Most ordinary online consumers, when preparing to pay with their credit card, carefully check to ensure the presence of the “https://” marker at the beginning of a page’s address, which signifies sufficient encryption, and they then carefully type their credit card number into the panel reserved for just such a purpose.

Bad guys, however, see that credit card number window as something much more: it’s an open channel to a much bigger matrix. By entering a different set of code into that same space, they are able to convince the computers on the other side that they should be let in to distribute their payload. It’s known as an SQL injection. Where most people see a single-purpose form, they see a doorway. That is the difference, and it is something that must remain top of mind for all managers, not just those in IT. Passwords, much like bicycle locks, tend only to keep the good guys and amateur thieves away.

This doesn’t mean that average people are without resources, but it does mean that additional effort must be expended to make hacking more difficult, as thieves, by nature always seek the easiest route. One of the best ways to do this is to make passwords more difficult for them to guess. The most common password in use in offices across the country is still the word “password,” and the next most popular is “123456.”

People generally find it annoying to have to remember many dozens of passwords. They find it even more annoying to have to change them regularly, and even more annoying when the password requires complicated combinations of letters, words and punctuation. However, regular change, and complicated strings are essential. It makes no sense to use easily-guessed passwords such as your child’s name, or easily-deduced challenge/answer questions such as “what is your mother’s maiden name,” since these facts can be easily looked up online.

As a manager it is essential to encourage all staff – including system admins – to create passwords that are extremely difficult to crack, and which are not left lying around. This can be done through the use of password encryption software such as LastPass, (www.lastpass.com) or through specific software supplied by the IT department, or simply by encouraging people to use longer sentence strings that have meaning only to them.

Password security is a necessity. Most people would never leave their homes or cars unlocked when leaving for work in the morning, and they are unlikely to leave the door-key and alarm code under the doormat. Increased sophistication in the creation and maintenance of passwords is a small price to pay for increased security not only on a personal level, but on a global one as well.

By Steve Prentice

Steve Prentice



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