Instagram is warning that more users were affected by a hack of its systems than it first suspected. While email addresses - and some phone numbers - for celebrities, including Emma Watson and Lady Gaga, appear to have been compromised, 6 million account holders in total may have been affected.
AT&T's U-verse routers and gateways contain a bevy of internet-of-things coding errors that could be easily exploited by hackers, a researcher contends. As many as 235,000 hosts could be vulnerable to attack.
This special edition of the ISMG Security Report features the observations of top cybersecurity experts featured at Information Security Media Group's recent Fraud and Breach Prevention Summit in New York.
PrincessLocker ransomware is back, although it's less demanding than it used to be, with attackers decreasing the quantity of bitcoins they require to unlock forcibly encrypted files. Unusually, the ransomware is being spread by the RIG exploit kit.
The U.S. federal government and many states haven't conducted forensic investigations into the election systems probed by hackers prior to the 2016 election. An investigation by the New York Times has found two more providers of election systems that were breached.
A massive Locky ransomware campaign has been infecting devices via malware-laced spam messages as well as through fake Dropbox phishing pages. More than 23 million Locky spam email have been seen in just one 24-hour period.
A federal judge has ruled that a consolidated class-action lawsuit filed by those affected by the Yahoo data breaches can proceed. The ruling means Yahoo's corporate parent, Verizon, will face a suit that could eventually lead a court to attempt to quantify the financial impact of leaked data.
Hospitals in Lanarkshire, Scotland, are continuing to recover following an outbreak involving a new variant of Bitpaymer ransomware. Security experts say the malware often gets spread via brute-force attacks against endpoints running remote desktop protocol software.
A sloppy spamming operation has exposed on a server in the Netherlands a batch of files that includes more than 700 million email addresses and some associated account passwords. It's perhaps the largest batch of email addresses ever found in one spot.
Admitted Mirai malware attacker Daniel Kaye has been extradited from Germany to the United Kingdom, where he faces charges that he launched DDoS attacks and extortion attempts against the U.K.'s Lloyds Banking Group and Barclays banks.
Verizon has made a strong case for continual PCI DSS awareness with its new study of payment card data security. But like many vendors that conduct their own studies supporting their business cases, Verizon makes suspect logical stretches.