Articles By John E. Dunn

ISPs could cut spam easily, says expert

ISPs could cut spam easily, says expert

Two simple techniques could be used to strangle botnets, a security expert has claimed. First, block email port 25 by...

January 19th, 2010 John E. Dunn
Are YouTube and Facebook guzzling your firm’s bandwidth?

Are YouTube and Facebook guzzling your firm’s bandwidth?

LONDON - Figures uncovered by managed international network provider Network Box between July and Novemberreveal the enormous impact YouTube and...

December 1st, 2009 John E. Dunn
Recession hits malware authors too

Recession hits malware authors too

According to an analysis by German software security company G Data,  the number of unique malware signatures dropped by 30...

July 6th, 2009 John E. Dunn
Web inventor Berners Lee falls prey to bogus site

Web inventor Berners Lee falls prey to bogus site

In a classic example of an invention turning on its inventor, web pioneer Sir Tim Berners Lee, has admitted being...

March 16th, 2009 John E. Dunn
BBC’s botnet broadcast backfires

BBC’s botnet broadcast backfires

The BBC has been come in for sharp criticism over the decision by its Click computing show to hire a...

March 15th, 2009 John E. Dunn
Aging firewalls pose security risks

Aging firewalls pose security risks

Firewalls become more of a security risk as they 'age', a security assessment company has advised at the launch of...

February 2nd, 2009 John E. Dunn
Anti-virus no defence against botnets, says vendor

Anti-virus no defence against botnets, says vendor

A new analysis of botnets has come up with a possible reason for their prodigious ability to infect PCs -...

November 29th, 2008 John E. Dunn
Vendors cool on UK government super-database

Vendors cool on UK government super-database

LONDON - Security vendors have responded skeptically to news that the U.K. government wants to set up a 'Big Brother'...

May 20th, 2008 John E. Dunn
BlackBerry server users leave door open to hacks

BlackBerry server users leave door open to hacks

Many companies running BlackBerry Enterprise Server (BES) could be inadvertently opening a door to attackers, a penetration testing company has...

March 10th, 2008 John E. Dunn