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Companies that make cybersecurity a priority say it increases their efficiency and gives them a competitive advantage in the market, according to a survey of infosec professionals. Foreign hackers, weak passwords, backdoors and buffer overflows – just another day at the office for Network Defence’s penetration testers. Here’s a look at sample pages from the head tester’s diary– and what companies can learn from the results. Many companies are leaving themselves open to attack by failing to follow a few simple security principles. Roy Hills gives us some helpful hints on how to tighten your firewall security in order to protect your network Many IT professionals use the fear, uncertainty and denial (FUD) approach to persuade senior management to increase security, according to a survey conducted by WatchGuard Technologies. Chief executives are aware of the information security risks presented by people within their companies but aren't taking action to secure the insider threat, according to a survey by Ernst & Young.

Securing data when it leaves an organisation is always a problem. Despite user education, a laptop can all too easily be left in a cab and, if not properly secure, information is left in the clear for all to see. Even when software encryption is used, there is still a chance that it can be decrypted.

Illena Armstrong discovers that the use of traditional passwords could be giving many organizations a false sense of security. Good old reliable time, not the Internet kind, does some flying. Trying to get an accurate, unbiased reading of today’s Internet security arena is like trying to get a non-fuzzy, close-up and genuine photograph of the Loch Ness Monster. A breaking up of old habits typically happens with a characteristic slowness. Buying the latest tools to secure your assets is not the way forward. A structured plan for your infosec is vital, says Illena Armstrong. Many businesses have written off public key infrastructure (PKI) as a dead technology. The Organization for Economic Co-Operation and Development (OECD) notes in its 2002 guidelines for the security of information systems and networks that the technology environment has undergone dramatic change over the last decade. Picture the scene: The 5,000 strong workforce of a multinational company are returning to work after a long and very enjoyable Christmas break and they're thinking about easing themselves back into the routine of work once more.

In the Gateway Security product, Symantec has come up with a range of gateway appliances, each of which combines firewall, anti-virus, virtual private network (VPN), content filtering and intrusion detection in one rack-mounted system that is 1U high.

The problem of recovering accidentally deleted files was solved largely by the implementation of the recycle bin in Windows - allowing users simply to select 'Restore' from the right-click menu. However, there are a number of users that will, without thinking about what they are doing, automatically empty the recycle bin or even use a utility that does it for them at the end of each session. In addition to this, some viruses delete files, bypassing the safety-net of the recycle bin and of course, some malicious users will deliberately remove certain files. In response to this, O&O Software GmbH has written O&O UnErase which provides the user with a means of recovering such files.

One of the major headaches for network administrators is bandwidth consumption. However big your pipe into the internet happens to be, it's the last few feet from the server to the desktop that is the killer. A few years ago, people took their eye off the ball where bandwidth is concerned, as it was assumed that everyone would be migrating to the fatter cables of category 6. However, standards issues and an unwillingness to spend money in today's uncertain times means bandwidth is still at a premium. Files have not stopped growing, with multimedia data bringing many networks grinding to a halt.

Matters would be considerably worse if it weren't for the godsend that is PKZIP. Files are compressed by as much as 90 percent, allowing hefty files to shrink to more manageable and less bandwidth-hungry sizes. Probably the most ubiquitous non-Microsoft application around, PKWARE's PKZIP is probably the best compression program available - well, they did invent the Zip format.