By Munir Kotadia
20 October 2006
The National Australia Bank (NAB) has warned its customers to beware of
new phishing attacks after the bank's Web site was hit by a DDoS attack
earlier this week.
NAB customers experienced problems accessing the online banking service
on Wednesday, according to a bank spokesperson.
"We first noticed [the attack] on Wednesday. For the moment it is not
having any impact and has been OK for the past 24 hours but there was a
bit of residual impact yesterday.
"Customers were having to, in some cases, try a number of times. It did
slow down the access and jam the system intermittently," the
spokesperson told ZDNet Australia.
According to the spokesperson, the bank decided to re-issue its phishing
warning in case the fraudsters use future attacks to try and trick
customers into visiting spoofed versions of the bank's Web site.
"That was something that crossed our minds so we thought it would be
timely to put out a warning to people -- which we have done before," the
NAB's CIO, Michelle Tredenick, said in a statement that "Any NAB
customer who receives [a phishing] e-mail is advised to delete it
without clicking on any embedded links."
Tredenick said that customer's details had not been compromised by the
attack: "Customer information has not been at risk as a result of this
issue and our security systems have protected our internal systems. But
the incident highlighted the need for banks and customers to be vigilant
at all times".
Last month, NAB customers received a batch of phishing e-mails that
tried to trick them into running a malicious file that had been placed
on a hacked Web server run by Sarajevo Airport.
The e-mail contained a number of NAB logos and asks recipients to "renew
services" on their account by clicking on a link within the message.
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