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Motivations May H2 2023

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Attack Techniques May H2 2023

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In the second half of May 2023 I collected 159 events (corresponding to 9.94 events/day), the third decrease in a row after the 176 events in the first timeline of May, and the 184 of the second timeline of April.

There was a slight decrease also in the percentage of events caused by ransomware (23.3%, corresponding to 37 out of 159 events), in comparison to 27.3% (48 out of 176 events) of the previous timeline. The impact of vulnerabilities played a part in 14 out of 159 events, bringing the percentage below 10% (8.8% precisely) compared to 11.4% (20 out of 176 events) of the previous timeline.

In the second half of May there were a couple of additional crypto hacks, in particular Tornado Cash stole the equivalent of $ 1M, but the attacker returned the money a couple of days later, an outcome completely different from the case of Jimbos Protocol, which suffered a flash loan attack resulting in the loss of more than of 4000 ETH tokens, currently valued at over $7,500,000.

In terms of  mega breaches there were several remarkable events in this fortnight apparently: a Luxottica partner (70 million records exposed), Managed Care of North America (MCNA, 9 million records exposed), Enzo Biochem (2.5 million), and Apria Healthcare (1.8 million).

The Cyber Espionage front was always hot, with multiple campaigns unearthed also in the second half of May, and carried out by known threat actors from Iran (Tortoiseshell), North Korea (Lazarus Group and Kimsuky), India (Sidewinder), and China. As usual the list of cyber espionage operations is too long and the involved actors too many to mention in a few words.

And as always, this brief summary is closed by a quick mention to the attacks launched by the pro-Russian hacktivists of NoName057(16) directed against multiple government targets in Italy, and Anonymous Sudan who blackmailed Scandinavian Airlines (SAS)

My suggestion is always the same: browse the timeline, and obviously thanks for sharing it and supporting my work in spreading the risk awareness across the community. As always, don’t forget to follow @paulsparrows on Twitter, or even connect on Linkedin, for the latest updates.

Geo Map May H2 2023

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BREACHOMETER

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The “Breachometer” compares the current number of events/day with the max and min values recorded in the previous 12 months.

12 MONTHS TREND

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