It appears that AlphaBay, the largest dark web marketplace, has paid an extortionist several payments since August 2016 to protect the identity of its founder.
Lizard Squad is back with a vengeance, according to an advisory from Action Fraud UK which is advising organisations to report the attacks, keep detailed records and seek help from their ISPs.
The Instagram account of Australian fashion blogger Rozalia Russian was hijacked by an American hacker, who extorted $5,000 (£3,500) from her before handing back her credentials, according to a report in the Sydney Morning Herald.
Crypto-ransomware has surpassed botnets as the most popular attack method of choice for cyber-criminals.
ICYMI: €50 m cyber-fraud; Codoso back; MS/US gov clash; Adultery extortionists; Apple's encryption key
The latest In Case You Missed It (ICYMI) looks at €50 m aeroplane cyber-fraud; Chinese cyber-espionage returns; MS resists US claim on data; Extortion of Ashley Maddison members; Apple iCloud Backup insecure.
Since the Ashley Madison breach, some users of the infidelity service have received blackmail letters via the US postal system from extortionists threatening to blow their cover.
The cyber-extortionist gang DD4BC has reportedly suffered a blow as one of the group's key members was arrested and another detained this week in a crackdown which has brought together law enforcement agencies from around the world.
Earlier this year, Lee Philip Rees of Roath, Cardiff was found guilty of computer hacking, distribution of indecent child photos and blackmail.
ICYMI: Madison extortion, Cyber-sec challenge, United bug-bounty, French intelligence, and Anonymous/ISIS spat
The latest In Case You Missed It (ICYMI) looks at suspected Madison extorortionists, Cyber-Sec challenge finals, bug-bounty criticism, French intelligence & Anonymous' ISIS twitter battle.
63 percent of Neustar's EMEA customers have received ransom note threats.
The latest In Case You Missed It (ICYMI) looks at possible Ashley Madison extortion campaign, analysing the TalkTalk attack, contactless card theft, opinion on the Experian hack and Marks & Spencer not a hack.
A cyber-security company says it may have spotted a round of extortions on Ashley Madison customers from a notorious hacking group