Fake LinkedIn emails phishing job seekers
The scammers are trying to impersonate the popular employment-oriented social networking service, but careful users will immediately spot many things that point to the email being fake: The email sender address that has nothing to do with LinkedIn The lack of certain design elements and the “unsubscribe” footer usually contained in LinkedIn emails The email…
Enticing Clicks With Spam
Among the key findings from the upcoming IBM X-Force Threat Intelligence Index for 2017, available March 29, is the ongoing use of spam as an entry vector for attackers. While targeted attacks make headlines, the prevalence of spam traffic means that a variety of attackers are still finding success in this scattershot method to gain…
Explained: Bayesian spam filtering
Bayesian spam filtering is based on Bayes rule, a statistical theorem that gives you the probability of an event. In Bayesian filtering it is used to give you the probability that a certain email is spam. Named after the statistician Rev. Thomas Bayes who provided an equation that basically allows new information to update the…
Verified Twitter accounts compromised, get busy spamming
Verified Twitter accounts tend to be a little more secure than those belonging to non-verified users due to the amount of extra hoop jumping required to get one of those ticks in the first place. A number of security requirements, including providing a phone number and setting up 2FA, are all things a would-be verified…
Sarvdap Spambot Checks IP Blacklists
The Sarvdap spambot was recently observed checking the IP addresses of infected hosts against common blacklists, in an attempt to ensure that its spam email is successfully delivered, Palo Alto Networks security researchers reveal. While other spambots typically start sending spam emails as soon as a host has been infected, Sarvdap first checks to see…
Malware and spam groups exploit US election fever
Over the past month, Symantec has blocked almost 8 million spam emails relating to the US presidential election. The volume of spam has increased steadily during that period, reflecting rising interest in the election as the November 8 polling day draws near. The trend reflects one of the tactics most commonly used by spam groups….