One of the world's biggest botnets, Necurs, is back. But instead of flinging banking Trojans and ransomware, this time it's spouting spam aimed at influencing the price of cheap stocks, say security researchers from Cisco's Talos group.
With ransomware attackers having already launched attack code with themes ranging from horror movies and Pokemon to Hitler to cats, it was only a matter of time before they decided to beam Star Trek's Kirk and Spock direct to would-be victims' PCs.
As effective as ransomware has proven to be in attacks against so many organizations across regions and sectors, certain characteristics actually can help defenders gain an edge in detecting malware. Lastline's Engin Kirda explains how.
Hackers have been targeting the likes of AOL and Yahoo, in part, because a certain generation of users - including many senior U.S. officials - continue to use the services to send and store state secrets. Let's make sure future generations don't make similar mistakes.
Little is known about Evgeniy M. Bogachev, the alleged hacker and Gameover Zeus botnet mastermind. There are clues, however, that he's been helping Russian intelligence agencies, according to a new report. If true, that wouldn't be a surprise.
A look at the return of the Crypt0L0cker ransomware leads the latest edition of the ISMG Security Report. Also, assuring the security of medical devices; and U.S. federal prosecutors drop charges against a child porn suspect rather than reveal the hacking technique used to ensnare him.
Crypt0L0cker ransomware - originally tied to the Gameover Zeus gang - has returned, researchers warn, and in some cases is digitally signed to make it appear legitimate. Other attack campaigns are spreading Cerber and Sage Locker via spam emails sent via short-lived domain names.
With Verizon's data breach investigations team finding that 90 percent of breaches trace to a phishing or other social engineering attack, lead investigator Chris Novak says that using multifactor authentication should be a no-brainer for all organizations.
To meet the increasing customer demands for effective solutions, security vendors must ensure their products work together well, says Dr. Mike Lloyd of RedSeal. This is particularly essential to achieving "digital resilience," the ability to promptly detect and respond to network intrusions, he says.
Déjà vu "smart toy" information security fail: Spiral Toys, maker of internet-connected CloudPets, is under fire for exposing 821,000 user records online - now being ransomed - as well as links to 2.2 million parents' and children's voice recordings.
Our objective, as the industry's largest global media organization, is to bring you the most important bits from the conference, whether you attended the event or are experiencing the content now for the first time. Call this the Best of RSA Conference 2017.
Paid breach notification site LeakedSource has disappeared. Given the site's business model - selling access to stolen credentials to any potential buyer - breach notification expert Troy Hunt says the site's demise is no surprise.
New ransomware circulating via BitTorrent is disguised as software that purports to allow Mac users to crack popular Adobe and Microsoft applications. Separately, new ransomware calling itself Trump Locker appears to be the previously spotted VenusLocker ransomware in disguise.
Emerging insider threats have quickly proven that the proverbial "walled garden" is not so walled after all, and without true end-to-end encryption, insiders and outsiders can compromise sensitive data, says Dr. Phillip Hallam-Baker of Comodo Group.
Through a technique known as "retrospection," organizations can replay attacks, going back to scan their networks for malware identified after their networks were infected, says Ramon Peypoch of Protectwise.